Organizations, businesses and individuals providing services, general guidance and specialized information for the stamp collector.

Showing 10 of 54 results
PO Box 92591, Brampton, Ontario L6W 4R1, Canada
Specialists in Rare Stamps of Canada & the Provinces. CSDA, APS, BNAPS, RPSC, CPS of GB, CCNY, RPSL, PTS, IFSDA, NSDA, IPDA
PO Box 1570, Parker, Colorado 80134, United States
Founded in 1955, the Liberian Philatelic Society works to promote the collecting, study and preservation of Liberian stamps and postal history.
100 Match Factory Place, Bellefonte, Pennsylvania 16823, United States
APS is the world's largest organization for stamp collectors.
10194 N. Old State Rd., Lincoln, Delaware 19960-3644, United States
A philatelic professional since 1973, specializing in the stamps and postal history of the Confederate States of America; 50 years as a collector, writer, researcher. Website with retail listings of Confederate stamps and covers:
PO Box 150010, Kew Gardens, New York 11415-0010, United States
The William Henry Stamp Company has been a leading specialist in stamps and philatelic material of the United Nations for 50+ years.
5757 Wilshire Blvd, Penthouse Ste #8, Los Angeles, California 90036-3681, United States
Since 1975, Colonial Stamp Company has served as a major US dealer in stamps and postal history of British Empire 1840-1936 while also dealing extensively in rare foreign stamps. For a complete list of our offerings, visit
PO Box 5573, Buffalo Grove, Illinois 60089, United States
We Are Your Headquarters for U.S. Stamps - Both Classic and Modern. If you're a collector of specialized modern United States stamps - from errors and scarce varieties to pre-cancels and missing colors - check our site often at
2 Massachusetts Ave. NE, Washington, District of Columbia 200013, United States
The Smithsonian's National Postal Museum is dedicated to the preservation, study and presentation of postal history and philately.
PO Box 1563, Rohnert Park, California 94927, United States
Wulff's Stamps, Inc. is a husband & wife team, serving collectors since 1989. We have a vast array of inventory that includes US with a specialty in France, French Colonies and Offices. We always strive to meet our client's philatelic needs.
1 2 3 4 5