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1920s Keystone Opthalmic Binocular
Located in Toronto, ON
This early Keystone Ophthalmic Telebinocular is the accepted Pioneer instrument of modern binocular
Category

1920s American Antique Keystone

Materials

Iron

Keystone Cop Double Sided Whirligig
Located in Hadley, MA
Excellent pine whirligig carving of Fatty Arbuckle, the famous Keystone Cop. All original
Category

Early 20th Century American Folk Art Antique Keystone

Materials

Pine

Rare Carved Limestone American Eagle Keystone, Wall Street, NY
Located in Hudson, NY
Rare Carved Limestone American Eagle Keystone, Wall Street NY, salvaged by Urban Archeology from a
Category

Early 1900s North American Antique Keystone

Historical Keystone of Bacchus from John Jacob Astor’s Newport Estate
Located in New Haven, CT
hand carved French sandstone keystone of Bacchus or Autumn was commissioned by famous Philadelphia
Category

Early 1900s Louis XVI Antique Keystone

Materials

Sandstone

Large 19th Century Mid-Victorian Arched Carrara Marble Fireplace Surround
Located in Manchester, GB
to the spandrels are flanked by quarter round outside fillets and meet at the fluted carved keystone
Category

19th Century English Victorian Antique Keystone

Materials

Carrara Marble

Large White Marble Mortar 16th Century with carved Lateral Mascarons.
Located in Bonita Springs, FL
were typically placed on keystones, arches, fountains, facades or home objects. While they were
Category

16th Century Italian Baroque Antique Keystone

Materials

Marble

Pr. Architectural Elements on Bases
Located in Toronto, ON
Pr.19th Century Terracotta keystones from Chicago on custom steel bases.
Category

19th Century American Antique Keystone

Materials

Steel

Reclaimed 19th Century arched Victorian Carrara marble fireplace surround
Located in Manchester, GB
mantle sits above a plain keystone. The spandrels carved with a four point star within a ring where the
Category

19th Century English Victorian Antique Keystone

Materials

Carrara Marble

Hamilton Double Roller 992e Pocket Watch 3262545 Case
By Hamilton
Located in Surfside, FL
Adjusted Positions. Case Signed "Keystone base metal 3262545" Fine Pre-owned Hamilton Watch. Certified
Category

Early 1900s Antique Keystone

Large Indiana Limestone Tudor Revival Style Fireplace Mantel
Located in New York, NY
, pointed arch firebox opening and crest keystone. Opening: 36 W x 36 H.
Category

19th Century American Tudor Antique Keystone

Materials

Limestone

Baroque Swedish Secretaire
Located in Sheffield, MA
cornice with keystone detail over raised panel doors. The interior has three fixed shelves, the top shaped
Category

Late 18th Century Swedish Baroque Antique Keystone

Materials

Wood

Panel Covered with Gilt and Polychrome Flemmish
Located in Paris, FR
foreground depicts flower-beds with a fountain in its middle. Hanging from the doorway keystone a circular
Category

16th Century Belgian Antique Keystone

French Louis XV Fireplace Mantel in Italian Pavonazzo Marble, circa 1740
Located in New York, NY
shell motifs and has a bouquet form keystone with flanking lion heads and cartouche pendant with
Category

Mid-18th Century French Louis XV Antique Keystone

Materials

Marble

Victorian Whitby Jet Snake Bracelet
Located in Bozeman, MT
" piece. The death of Albert, and Victoria's donning of black was a keystone moment in fashion. Black then
Category

Late 19th Century Victorian Antique Keystone

Early Period English Nautical Back Sight Octant by J. Ramsden
Located in Palm City, FL
, made in England, predates that by a wide margin. The case is the early style stair step, keystone
Category

18th Century and Earlier English Antique Keystone

Materials

Brass

Early 20th Century Keystone Pressed Steel Toy Steam Shovel
By Keystone Manufacturing Company
Located in Port Jervis, NY
Fabulous and a survivor of almost 100 years old. A very decorative piece to lighten a room and inject some fun. Very chic. In excellent antique condition with lots of patina. Door fo...
Category

1920s American Industrial Antique Keystone

Materials

Steel

Antique Keystone View Stereo Viewer Stereoscope World Tour Family Photos
By Keystone Manufacturing Company
Located in Dayton, OH
"Antique early 20th century Keystone view company stereoscope viewer, made of wood with rotating
Category

Early 20th Century Edwardian Antique Keystone

Materials

Velvet, Hardwood

Tragedy Keystone
Located in London, GB
An artificial stone keystone depicting Tragedy, modelled in high relief, flanked by two further
Category

Early 20th Century British Other Antique Keystone

18th Century Coade Stone Keystone
Located in Gloucestershire, GB
Fine 18th Century Coade Stone keystone, stamped and dated ' Coade Lambeth 1781' mounted on a
Category

18th Century British Country Antique Keystone

Materials

Terracotta

Antique Hand-Carved Sandstone Keystones
Located in Wormelow, Herefordshire
These keystones are 19th century and have ‘Hand of the King’ symbols. We have two of these
Category

19th Century English Victorian Antique Keystone

Materials

Sandstone

Set of Keystone Antique Entryway Arches
Located in Dallas, TX
Antique limestone entryway arches, each with a decorative hand carved keystoned lintel. Origin
Category

Early 19th Century French Antique Keystone

Materials

Limestone

Antique Carved Limestone Keystone of a King
Located in Wormelow, Herefordshire
An antique carved limestone keystones of a king, salvaged from a period building in East Angela
Category

Mid-18th Century English Georgian Antique Keystone

Materials

Stone, Limestone, Metal, Steel

Circa 1900 NYC Pair of Hand Carved Limestone Keystones
Located in New York, NY
Beautiful pair of matching architectural limestone corbels depicting female faces. Each keystone is
Category

Early 20th Century American Antique Keystone

Materials

Limestone

Original Painted Keystone, Boston Tin Toy Steam Roller Truck
Located in Los Angeles, CA
This model tin and iron signed Keystone steam roller from Boston, Mass. was found in the state of
Category

Early 20th Century American American Classical Antique Keystone

Materials

Iron, Tin

1450s Hand Carved Stone Ceiling Keystone, Gothic with Characteristic Points
Located in Marbella, ES
1450s Hand Carved Stone Ceiling Keystone, Gothic with Characteristic Points
Category

15th Century and Earlier Spanish Antique Keystone

Materials

Stone

Antique Keystone View Stereoscope Library Book Slides Images World War
Located in Dayton, OH
Antique Keystone View Co Sterographic Library index photo cards / slides and Stereoscope. Features
Category

Early 20th Century American American Colonial Antique Keystone

Materials

Leather, Plastic

Amusing Figural Advertising Bronze Clock with Bears, ca 1920 s
By Keystone Manufacturing Company
Located in Petaluma, CA
bears the maker's name, Keystone Manufacturing. A very whimsical piece.
Category

Early 20th Century American Folk Art Antique Keystone

Materials

Bronze

19th Hand-Carved Wooden Vault or Ceiling Keystone, with Vegetal Forms
Located in Marbella, ES
19th Hand-Carved Wooden Vault or Ceiling Keystone, with Vegetal Forms
Category

19th Century Spanish Antique Keystone

Materials

Wood

Antique Howard Keystone 14k Gold 45mm Open Face Pocket Watch Size 12s Model 1912
By Howard Co., New York
Located in Montclair, NJ
Watchmaker: Howard Watch Co. Movement Type: Model 1912 - Mechanical - Hand Wound - 19 Jewels - Size 12s - American Made Movement Serial No.: 1307786 Case Maker: The K.W.C.Co. Case ...
Category

1910s American Antique Keystone

Materials

14k Gold

Car Race in France, 1920s - Silver Gelatin Black and White Photography Framed
By Press Agency Keystone View Co.
Located in Atlanta, GA
An original silver gelatin black and white photography by Keystone View Company. A car race in
Category

1920s Art Deco Antique Keystone

Materials

Silver Gelatin

Mascaron in limestone xix century
Located in Saint-Ouen, FR
Keystone at mascaron in limestone representing may be "Neptune"
Category

Mid-19th Century French Other Antique Keystone

Materials

Limestone

19th Century Carved Sand Stone Male Mask
Located in Conwy, GB
The carved sandstone architectural element was probably a keystone for a window or door frame
Category

Late 19th Century English Antique Keystone

Materials

Sandstone, Wrought Iron

Vintage Industrial Bar Cart
Located in Oakville, CT
Antique Printer's Cart By Keystone Overall Dimensions: 30" x 39" x 37 3/4" high Shelf Dimensions
Category

Early 20th Century American Antique Keystone

Materials

Steel

Swedish Neoclassic Giltwood Mirror
Located in Essex, MA
With an arched top with central keystone, individual beveled mirror plates combining to form a
Category

Early 19th Century Swedish Neoclassical Antique Keystone

Materials

Giltwood

French Pair of Art Deco Console Tables
Located in Baton Rouge, LA
bearded men as the keystone. A keystone is a central stone of an arch, originally the crucial wedge in the
Category

Early 20th Century French Art Deco Antique Keystone

English Steel Oval Arts and Crafts Mirror
Located in Greenwich, CT
Skin" pattern, having four keystone bands and retaining original glass.
Category

1910s Great Britain (UK) Arts and Crafts Antique Keystone

Materials

Steel

Late 18th Century hand carved Engish Mask of Mercury
Located in West Palm Beach, FL
Circa 1790, A keystone of a building depicting the warrior mercury, mounted on a rectangular metal
Category

Late 18th Century English Georgian Antique Keystone

Materials

Limestone

Early 18th Century Carrara Marble Fireplace
Located in London, GB
An early 18th century Carrara marble fireplace, the frieze decorated with a central keystone with
Category

Early 18th Century European Georgian Antique Keystone

Materials

Carrara Marble

Victorian Chimneypiece of Robust Architectural Form in Carrara Marble
Located in London, GB
A late Victorian Carrara marble fireplace with arched moulded opening, headed by a corbel keystone
Category

Late 19th Century British Late Victorian Antique Keystone

Materials

Carrara Marble

Carved White Victorian Corbel Arched Mantel from East 10th Street in Manhattan
Located in New York, NY
. Original keystone. The lines and width of this mantel make it great size for a library, parlor or living
Category

19th Century American Victorian Antique Keystone

Antique Victorian Marble Mantel
Located in Stamford, CT
arched opened mantels has a great look. Beautiful original keystone in center. Opening is 34.5:" wide
Category

19th Century American Victorian Antique Keystone

Antique Victorian Arched Fireplace Surround
Located in Edinburgh, GB
Marble. A central carved keystone is flanked by two large Arched spandrels with a moulded top above, the
Category

1880s English Victorian Antique Keystone

Materials

Marble

19th Century Limestone Bolection Fire Surround
Located in London, GB
Derbyshire Fossil Limestone with a large central keystone. This stone is quite hard and will take a polish
Category

Mid-19th Century English Queen Anne Antique Keystone

Materials

Limestone

Victorian White Marble Arched Mantel
Located in Stamford, CT
beautiful carved corbels on both sides of the arched opening. The keystone has a wonderful carving of the
Category

19th Century American Victorian Antique Keystone

Antique French Limestone Mantel
Located in Dallas, TX
. Its centerpiece features a delicate floral motif on the keystone, while intricate linework flows
Category

17th Century Antique Keystone

Materials

Limestone

Antique French White Veined Carrara Marble Mantel
Located in Dallas, TX
a central floral motif on the keystone and a floral leaf design adorning the tops of both legs. The
Category

1870s Antique Keystone

Materials

Carrara Marble

A pair of Victorian fireplace mantels in white marble
Located in London, GB
centre carved keystone, the jambs with spandrel panels and well carved shaped leaf moulding. Heavy
Category

19th Century Victorian Antique Keystone

Highly Carved White Statuary Marble Fireplace
Located in Tyrone, Northern Ireland
keystone.
Category

Mid-19th Century British Renaissance Revival Antique Keystone

Materials

Statuary Marble

Early Victorian Statuary Marble Fireplace with Iron Insert
Located in London, GB
An early Victorian Statuary marble fireplace with cast iron insert, c.1850, the central keystone
Category

1850s English Early Victorian Antique Keystone

Materials

Statuary Marble

Pair of Swedish Grace Pewter Candlesticks by C G Hallberg. 1920s.
By Carl Gustav Hallberg
Located in Bromma, SE
Pair of Swedish Grace Pewter Walls Candlesticks by Carl Gustav Hallberg, Stockholm. Keystone shaped
Category

1920s Swedish Art Deco Antique Keystone

Materials

Pewter

c. 1886 Coin Silver Pocket Watch by American Watch Co.
By American Waltham Watch Co.
Located in Chapel Hill, NC
hand. American Watch Co, P.S. Bartlett, Waltham, Mass #2969576. 60mm dia. case by Leader (Keystone
Category

Late 19th Century American Victorian Antique Keystone

Materials

Silver

Antique French White Veined Carrara Marble Mantel
Located in Dallas, TX
keystone, while both legs showcase a three-column fluted design. At the top of each leg, a delicately
Category

18th Century Antique Keystone

Materials

Marble

Large 19th Century Victorian Arched Marble Fireplace Surround
Located in Edinburgh, GB
veined Rose en Jugerais marble. A generous double thick top shelf over an unadorned keystone, flanked by
Category

1880s English Victorian Antique Keystone

Materials

Marble

White Statuary Marble Gothic Revival Chimneypiece
Located in London, GB
slow arched opening and are linked by a large central keystone with deeply carved quatrefoil and shield
Category

Mid-19th Century English Gothic Revival Antique Keystone

Materials

Statuary Marble

A 19th C. Victorian antique chimneypiece in Statuary marble
Located in London, GB
carved keystone, the jambs with spandrel panels and well carved shaped leaf moulding. Heavy moulded shelf
Category

19th Century British Victorian Antique Keystone

19th Century French Carved Oak Barley Twist Server Sideboard Bookcase Table
Located in Shreveport, LA
versatile size!~ ~Full length front drawer with carved Black Forest style carved foliage; carved keystone
Category

1890s French Louis XIII Antique Keystone

Materials

Oak

Large Limestone Fireplace with Shaped Brackets pair available
Located in London, GB
A carved Italian Renaissance style fireplace in limestone , with a carved centre keystone to frieze
Category

19th Century Italian Renaissance Antique Keystone

Materials

Limestone

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Antique Keystone For Sale on 1stDibs

At 1stDibs, there are many versions of the ideal antique keystone for your home. Frequently made of stone, metal and limestone, every antique keystone was constructed with great care. You’ve searched high and low for the perfect antique keystone — we have versions that date back to the 18th Century alongside those produced as recently as the 20th Century are available. An antique keystone, designed in the Neoclassical, Victorian or Baroque style, is generally a popular piece of furniture. A well-made antique keystone has long been a part of the offerings for many furniture designers and manufacturers, but those produced by Keystone Manufacturing Company and Keystone Iron Steel Works are consistently popular.

How Much is a Antique Keystone?

The average selling price for an antique keystone at 1stDibs is $1,600, while they’re typically $450 on the low end and $24,000 for the highest priced.