2025 Dealer Participation

The heart of the show is the bourse of 75+ dealers buying and selling stamps and covers ranging in price from a few cents to hundreds or even thousands of dollars.

On Saturday a cachetmakers bourse will be held where collectors may purchase cacheted covers sold by the artists. The APS will also sponsor Stamps by the Bucket and Covers by Container where youth may acquire a bucket of stamps or a container of covers for only $1 ($5 for adults).



GASS '25 Dealer reservations now being accepted.
Sign up today!

 

 

Below is a listing of the dealers currently registered to participate.

List updated 3/7/2025  - List is being populated as dealers sign up - check back often.

Firm
Booth #
Specialties
10 cent Ryan
--
Appraisals, United States Covers, Worldwide, Worldwide Covers
--
Appraisals, France & Colonies, United States, Worldwide
Abacus Auctions
www.abacusauctions.com.au
--
Auctions, Australia-Oceania, British Comm., Postal History
--
Ephemera, Literature, Postal History, United States Covers
David Alex
--
Classics, Discount Postage, Revenues, United States
Amos Media Co.
www.linns.com
--
Literature
Paul Aschenbrenner
--
France & Colonies, German
Baltimore Express
--
British Commonwealth, France & Colonies
Bardo Stamps
www.bardostamps.com
--
Duck Stamps, Plate Blocks, Revenues, United States
Bill Barrell Ltd.
www.barrell.co.uk
--
Errors/Freaks/Odd., Essays & Proofs, Great Britain, Postal History
Fred Boatwright
--
Airmail, Appraisals, Europe, German
C & D Philatelics
www.spacecoverstore.com
--
Postal History, United States Covers, Worldwide Covers
Cherrystone Auctions, Inc.
www.cherrystoneauctions.com
--
Auctions, Postal History, United States, Worlwide
Coast Philatelics
--
First Day Covers, Topicals, Postal History, Worldwide
Coins, Stamps 'n' Stuff (dollar)
--
Appraisals, Canada, Collections, United States
Colonial Stamp Company
www.colonialstamps.com
--
Classics, German, Great Britain
Compustamp
www.CompuStamp.com
--
British Commonwealth, Postal History, United States Covers, Worldwide Covers
Connoisseur Stamps and Collectibles, Inc.
--
Appraisals, Classics, German, Worldwide
Corinphila & Kohler
www.heinrich-koehler.de
--
Worldwide
Cwiakala Auctions
www.cwiakalaauctions.com
--
British Commonwealth, Great Britain, Worldwide
D & P Stamps
www.dpstamps.com
--
Europe, France & Colonies, Latin America, Worldwide
DK Enterprises
dickkeiser.com
--
Appraisals, Postal History, Revenues, Worldwide Covers
Dutch Country Auctions
www.dutchcountryauctions.com
--
Appraisals, Auctions, United States, Worldwide
Engler Stamps
www.englerstamps.com
--
Airmail, Duck Stamps, Plate Blocks, United States
George Enstrom, Ltd.
--
Back of the Book, Errors/Freaks/Odd., United States
--
Europe, Latin America, Postal History, Worldwide
Fairwinds
--
Postal History, Postcards, United States Covers, Worldwide Covers
FDCACE
--
First Day Covers, United States Covers
David Feldman Auctions
www.davidfeldman.com
--
Appraisals, Auctions, Worldwide, Worldwide Covers
First Century Stamps
--
Canada, Classics, United States, U.S. Possessions
Fox River Stamps
www.foxriverstamps.com
--
Supplies, United States, United State Covers, U.S. Possessions
Richard Friedberg Stamps
www.friedbergstamps.com
--
Back of Book, Revenues, United States
Geezer's Tweezers
www.geezerstweezers.com
--
Collections, First Day Covers, United States Covers
Wayne Gehret
www.usmintsheets.com
--
Appraisals, Discount Postage, United States Covers, Worldwide Covers
Stanley Gibbons | Baldwin's
www.stanleygibbons.com
--
Auctions, British Commonwealth, Great Britain, Literature
Henry Gitner Philatelists, Inc.
www.hgitner.com
--
Back of the Book, Europe, Topicals, United States
Global Philatelic Associates
--
Confederate States, Postal History, Postal Stationery, United States Covers
Labron Harris
--
United States Covers, Worldwide Covers
HB Philatelics
www.hbphilatelics.com
--
Duck Stamps, Essays and Proofs, Revenues, United States
House of Zion
www.houseofzion.com
--
Auctions, Literature, Postal History, Worldwide
Itty Bitty Stamp Company
www.ittybittystampcompany.com
--
Online Buying/Selling, Supplies, United States, Worldwide
Eric Jackson Revenue Stamps
www.ericjackson.com
--
Back of the Book, Revenues, United States, U.S. Possessions
Michael Jaffe Stamps/Brookman Stamp Co.
www.brookmanstamps.com
--
Collections, Discount Postage, Duck Stamps, United States
Lewis Kaufman/Roy DeLafosse, Ltd.
--
Back of the Book, Booklets, Plate Blocks, United States
John L. Kimbrough
www.csastamps.com
--
Confederate States, Postal History
Knoxville Philatelic Society Inc.
www.knoxstamps.com
--
Classics, Worldwide, Worldwide Covers
KS Philatelics
www.ksphilatelics.com
--
Back of the Book, Revenues, United States, U.S. Possessions
M & S. Hobbies
mandshobbies.com
--
British Commonwealth, France & Colonies, German, Worldwide
Markest Stamp Co.
www.markest.com/
--
Appraislas, Auctions, United States, Worldwide
Miller's Stamp Company
www.millerstamps.com
--
Appraisals, Confederate States, Plate Blocks, United States
David Morrison
www.forpostalhistory.com
--
British Commonwealth, Postal History, Postal Stationery
Mountainside Stamps, Coins, and Currency
www.mountainsidestampsandcoins.com
--
Back of the Book, Plate Blocks, United States, Worldwide
Newport Harbor Stamp Co.
--
Errors/Freaks/Odd., Plate Blocks, United States
NobleSpirit
www.NobleSpirit.com
--
United States, Worldwide
North Star Stamps
--
Discount Postage, United States, United States Covers, Worldwide
Kenneth A. Pitt Postal History
--
Confederate States, Ephemera, Postal History, United States Covers
Gary Posner, Inc.
www.garyposnerinc.com
--
Appraisals, Errors/Freaks/Oddities, Plate Blocks, United States
Rasdale Stamp Company
www.rasdalestamps.com
--
Auctions, Collections, United States, Worldwide
RASLAD Enterprises
www.deadcountrystamps.com
--
Booklets, British Commonwealth, France & Colonies, Topicals
Rattlesnake Island Local Post, LLC
www.rilp.org
--
Airmail, Plate Blocks
Mark Reasoner
--
Collections, Postal History, United States, Worldwide
Risk Strategies/Hugh Wood
www.hughwood.com
--
Insurance
Roy's Stamps
www.roysstamps.com
--
British Commonwealth, Canada, Great Britain, Postal History
San Pedro Stamp & Coin
--
British Commonwealth, Classics, Great Britain, Worldwide
Kurt A. Sanftleben, LLC
www.read-em-again.com
--
Ephemera, Postal History, United States Covers
Robert M. Sazama
www.floridastampbuyer.com
--
Appraisals, British Commonwealth, Collections, Worldwide
Randy Scholl Stamp Company
randyschollstampcompany.com
--
Collections, Postal History, United States, Worldwide
Rusty Shoaf
--
British Commonwealth, First Day Covers, German, Postal History
Dick Smith Stamps
--
German
Telah W. Smith
www.telahsmith.com
--
Latin America, New Issues, Topicals, Worldwide
Stamp Art
www.stampart.us
--
Collections, Plate Blocks, United States, Worldwide
Stamp King
--
British Commonwealth, Canada, United States, Worldwide
Sterling Stamps
www.sterlingstamps.com
--
Auctions, Discount Postage, United States, Worldwide
James F. Taff
--
Confederate States, German, United States
Stephen T. Taylor
www.stephentaylor.co.uk
--
Postal History, Postal Stationery, United States Covers, U.S. Possessions
Tiger Collectibles
--
Back of the Book, United States, United States Covers, U.S. Possessions
Don Tocher, U.S. Classics
dontocherusclassics.com/
--
Airmail, Back of the Book, Classics, United States Covers
Triple "S" Postal History Inc.
www.triple-sonline.com
--
Airmail, Postal History, United States Covers, Worldwide Covers
USPS Federal Credit Union
www.uspsfcu.org
--
Credit Union
Vance Auctions Ltd.
www.vanceauctions.com
--
Auctions, Canada, Postal History, Worldwide Covers
Volovski Rarities
--
Classics, Confederate States, Plate Blocks, United States
Worldwide Philatelics
www.worldwidephilatelics.com/
--
United States, United States Covers, Worldwide, Worldwide Covers
Wulff's Stamps, Inc.
www.wulffstamps.com
--
France & Colonies, New Issues, United States

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