The American Stamp Dealers Association
American Philatelic Society
#216650
Dealer Member
The Collectors Club
#7662
The U.S. Philatelic Classics Society,
Inc.
R.A. #4216
United States Stamp Society
Professional Stamp Experts
Professional Numismatists Guild
#576
American Numismatic Association
Life Member #2502
NATIONAL
SILVER DOLLAR
ROUNDTABLE
Life Member #90
Professional Coin Grading Service
Authorized Dealer #2024
Numismatic Guaranty Corporation
Member Dealer #1587
New York State Auctioneers Association
National Postal Museum
The Cornell Club