Antique & Collectible Mark Finder

Mid-Century Modern

Wilkes-Barre, PA; gondola sofas, sculptural lounge chairs.

Victorian Furniture

New York Rococo and Renaissance Revival in walnut and rosewood. Stamped or labeled pieces command strong premiums.

Vintage Toys

New Haven, CT; postwar S-gauge trains. Less liquid than Lionel but still actively collected.

Mid-Century Modern

Danish; for Fritz Hansen. Egg Chair, Swan Chair, Series 7, Ant Chair.

Vintage Jewelry

Phenolic resin jewelry — bracelets, brooches, dress clips. Unsigned but tested with hot water (Bakelite gives off a phenol smell when warmed) or Simichrome polish (yellows on a swab). Heavy-carved Bakelite bangles routinely sell $80–500.

Victorian Furniture

Grand Rapids; mass-produced Renaissance Revival, Eastlake, and Aesthetic Movement bedroom and parlor sets. Mid-tier Victorian — the workhorse of older American bedrooms. Pieces typically $400–$2,500 retail.

Estate Sale Rugs

Northwest Iran; extremely tight, heavy weave; nicknamed "iron rug" for durability. Geometric motifs.

Sterling Silver & Flatware

Italian; hand-engraved sterling, very high collector tier.

Vintage Toys

Moline, IL; pressed-steel trucks. Pre-WWII Buddy L is the most desirable.

Vintage Jewelry

Paris; signed Cartier in any era is collector tier. Look for "Cartier" stamp plus a serial number, often inside the band or on the clasp.

Estate Sale Rugs

Caucasus region; bold geometric tribal weaves, jewel tones, often older (pre-1920). Active collector market.

Victorian Furniture

New York Aesthetic Movement; carved cherry and oak. Ranks just below Herter in quality.

Estate Sale Rugs

China; soft palette, open fields, often wool or silk. Art Deco Chinese rugs (1920s–1940s) are highly collected.

Mid-Century Modern

Berne, IN; high-end Wormley sofas, lounge chairs, and case goods. Original brass tag on underside.

Vintage Jewelry

Chicago; rhinestone-and-sterling figural brooches. Eisenberg Original (pre-1945) is the most desirable, often $200–800+.

Depression Glass

Columbus, OH; produced Madrid, Patrician, Sharon (Cabbage Rose), Normandie, and Rosemary.

Mid-Century Modern

Danish; for Niels Vodder, France & Søn, Baker. Sculptural lines, often signed under the seat.

American Art Pottery

Flemington, NJ; Vasekraft line in heavy mottled and crystalline glazes.

Sterling Silver & Flatware

Danish; sterling and silver design with high collector following. Acanthus, Pyramid, Cactus, Acorn patterns.

Victorian Furniture

New York; patented turned and machine-carved chairs in distinctive geometric forms. Hunzinger chairs are one of the most identifiable signed Victorian categories — most carry a stamp.

Mid-Century Modern

New Hope, PA; live-edge studio furniture, often with documentation in family archives. Authentic Nakashima is six-figure territory; many imitators.

Sterling Silver & Flatware

Providence, RI; America's largest sterling producer. Major patterns: Chantilly, Buttercup, Strasbourg, Old French, Versailles. Marked with a lion-anchor-G logo.

American Art Pottery

Boston, MA; signature thick matte green glaze, sometimes with yellow or buff floral motifs. Highly collected; even small pieces command serious money.

Mid-Century Modern

Danish; designed for Carl Hansen & Søn, Johannes Hansen, Getama, Fritz Hansen. The Wishbone Chair (CH24), Round Chair (Y-chair), and Papa Bear Chair are marquee.

Vintage Toys

Producer of GI Joe (Hasbro 1964+), Star Wars (Kenner 1977+), Transformers (Hasbro 1984+). Pre-1985 carded figures from these lines are heavily collected.

Depression Glass

Wheeling, WV; produced Florentine (Poppy No. 1 and No. 2), Royal Lace, Moderntone, Ovide, and Newport.

Estate Sale Rugs

Western Turkey; very fine, often signed; silk and silk-on-silk pieces in classical motifs. Top tier.

Estate Sale Rugs

Northwest Iran; bold geometric medallion design, larger knot scale, very durable, room-size pieces. The most common high-quality estate rug in American houses.

Mid-Century Modern

Zeeland, MI. The Eames Lounge (670/671), Plywood Lounge (LCW), Wire Chair, Aluminum Group, and Eames Storage Unit are the marquee pieces. George Nelson clocks, marshmallow sofa, ball clock, and bench. Original labels are foil, paper, or stamped.

Victorian Furniture

New York Aesthetic Movement; ebonized cherry, marquetry inlay, gilded incising. Top-tier American Victorian. Documented Herter pieces are five and six figures.

Mid-Century Modern

Gardner, MA; iconic blonde maple "Champagne" finish bedroom and dining sets. M-series and W-series stamps under drawers.

Depression Glass

Lancaster, OH; produced Princess, Mayfair, Cameo, Block Optic, Manhattan, and many others. The largest Depression Glass producer.

Depression Glass

Dunkirk, IN; produced Avocado, Pyramid, Sandwich, Tea Room, and Old English.

Sterling Silver & Flatware

Meriden, CT; an umbrella of consolidated brands including 1847 Rogers Bros (mostly silver-plate). Sterling lines include Royal Danish, Prelude.

Estate Sale Rugs

Central Iran; very fine knotting on cotton or silk foundation, classical floral. Master-weaver Isfahans are five and six figures.

Depression Glass

Jeannette, PA; produced Adam, Cherry Blossom, Cube, Doric, Floral, Iris (Iris & Herringbone), Sunflower, and Windsor.

Victorian Furniture

New York Rococo Revival in laminated rosewood. Pierced floral and grape carving. Original Belter parlor sets sell at auction for $20,000–$120,000+. Most "Belter" you see at estate sales is later Karpen, Meeks, or unknown New York shops in the same style.

Vintage Jewelry

Russian gold-finish movie costume jewelry. Signed pieces $120–600.

Victorian Furniture

Chicago; high-end carved parlor furniture in the Belter manner, well into the 20th century. Often labeled or stamped under the seat rail.

Estate Sale Rugs

Central Iran; fine knotting, dense floral medallion, deep red and ivory ground. Highly collected.

Estate Sale Rugs

Southeast Iran; medallion or all-over floral, soft palette. Antique Kermans are particularly desirable.

Sterling Silver & Flatware

Baltimore; "Repoussé" pattern is the marquee — heavily ornamented hand-chased flowers and scrolls.

Mid-Century Modern

New York; produced Saarinen Tulip table and chairs, Womb chair, Mies Barcelona chair, Bertoia diamond chair. Original labels carry a serial number.

Depression Glass

Lancaster, OH; produced Jubilee, Patrick, and Roxana. Bridges into the Elegant category.

Vintage Jewelry

Paris; layered cellulose acetate brooches in Art Deco-inspired forms. Signed pieces $60–250.

Vintage Toys

England; original Matchbox 1-75 series die-cast. Pre-1969 "Regular Wheels" cars are the strongest; "Superfast" wheels (post-1969) are lower-tier collector.

Vintage Toys

New York; postwar (1945–1969) electric trains are the strongest collector segment. The 2026 series, Santa Fe F3 sets, and pre-war Standard Gauge trains are marquee. Original boxes triple value.

Sterling Silver & Flatware

Greenfield, MA; mid-century modern sterling and traditional patterns.

Depression Glass

Charleroi, PA; produced American Sweetheart, Dogwood, S Pattern, and Petalware.

Vintage Toys

New York; collectible dolls. Series and edition matter — "Cissy" (1955–1959) and "Cissette" (1957–1963) are marquee collector lines.

American Art Pottery

Marblehead, MA; muted matte glazes (gray, blue, green, mustard) with simple incised or painted decoration. The stylized ship-and-MP cipher is the mark.

Vintage Toys

New York; tin-litho trains, playsets (especially Western and military playsets), action figures. Marx Big Wheel (1969+) is heavily collected.

Vintage Toys

El Segundo, CA. Redline series (1968–1977 with red-line wheels) are the strongest collector segment. Some Redlines (Beach Bomb prototype, Pink Olds 442) are five and six figures; common Redlines are $20–60 loose, $100–300 carded.

Vintage Jewelry

New York; signed Haskell hand-wired pearl and crystal pieces are heavily collected. Signed pieces typically $80–600+ depending on form.

Estate Sale Rugs

Central Iran; very fine knotting (often 600–1000 KPSI), light palette (cream, ivory, blue), silk highlights. Highly collected.

American Art Pottery

New Orleans, LA; women's art college pottery, hand-decorated with Southern flora (live oak, pine, magnolia). Each piece carries the decorator's cipher.

Mid-Century Modern

Studio furniture in welded steel, sculpted bronze, brass-clad. Signed and dated on the underside or back.

American Art Pottery

Detroit, MI; iridescent and matte glazes. Architectural tiles and small vessels.

Estate Sale Rugs

Central Iran; often all-silk pile, very fine knotting, intricate hunting and garden scenes. Top tier.

Victorian Furniture

New York; heavily carved oak hall stands, library tables, and court cupboards. Frequently mis-attributed; documented Horner pieces are well-priced.

Sterling Silver & Flatware

Taunton, MA; major patterns: Francis I (the strongest single American flatware pattern by collector demand), Burgundy, Marlborough, Spanish Baroque.

American Art Pottery

Cincinnati, OH; the most important American art pottery. Standard glaze, sea green, iris glaze, vellum, matte. Rookwood pieces signed by named decorators (Sallie Toohey, Kataro Shirayamadani, Albert Valentien, Carl Schmidt) command serious premiums.

American Art Pottery

Zanesville, OH; major lines: Pine Cone, Magnolia, Bushberry, Zephyr Lily, Snowberry, Apple Blossom, Wisteria. Heavily reproduced post-1990; reproductions are noticeably lighter, with crisper raised marks and inferior glaze.

Vintage Jewelry

Italian designer; signed Schiaparelli costume pieces routinely $200–1,200.

Vintage Toys

Stuffed animals. The button-in-ear is the authentication mark. Pre-1980 Steiff with button and full tag is collector-tier; pre-1950 is high-tier.

Mid-Century Modern

Grand Rapids; classical-modern. Branded under drawers.

Estate Sale Rugs

Northwest Iran; very fine knotting (200–800+ KPSI), classical motifs, often with central medallion. Master-weaver Tabrizes (signed) are top tier.

American Art Pottery

Terra Cotta, IL; architectonic Prairie School forms in matte green and other muted glazes. Very high collector tier.

Sterling Silver & Flatware

New York; signed Tiffany sterling carries a 25–60% premium over generic sterling at the same weight. Look for "TIFFANY & CO." plus "STERLING" plus a pattern or order number.

Vintage Jewelry

New York; signed pieces in any era hold premium value. Tiffany silver, gold, and platinum jewelry is heavily collected; provenance and original boxes add 30–50%.

Vintage Toys

Minneapolis; pressed-steel construction trucks, the iconic "Mighty Tonka" line. Pre-1980 in original boxes is collector-grade.

Sterling Silver & Flatware

Newburyport, MA; major patterns: Old Master, Candlelight, French Provincial, Contour.

Vintage Jewelry

American costume jewelry; signed Trifari mid-century pieces (especially Crown Trifari) trade actively at $30–250 per piece.

Depression Glass

Pittsburgh, PA; produced Aunt Polly, Cherryberry, Floral & Diamond Band, Strawberry, and Flower Garden with Butterflies.

American Art Pottery

Colorado Springs, CO; matte glaze sculptural pieces. Pre-1920 pieces are most valuable. The dated "AA" cipher is the marker.

Vintage Jewelry

Paris; signed VCA pieces hold value across decades. The Mystery Set and Alhambra patterns are particularly liquid.

Mid-Century Modern

New York; serpentine sofas and sculptural lounge chairs.

Sterling Silver & Flatware

Wallingford, CT; major patterns: Grande Baroque, Sir Christopher, Rose Point, Royal Rose.

American Art Pottery

Zanesville, OH; major lines: Hudson, Sicard, Louwelsa, Aurelian, Eocean, Dickensware. Sicard (iridescent) and Hudson (matte landscape) are the strongest lines.