The Postmark is proudly affiliated with the following philatelic organizations.
American First Day Cover Society
Life Member #354
http://www.afdcs.org
info@afdcs.org
American Philatelic Society
Member# 190002
The Postmark abides by the APS Code of Ethics.
http://www.stamps.org
doris@stamps.org
National Stamp Dealers Association
The Postmark abides by the NSDA Code of Ethics.
http://www.nsdainc.org
Internet Philatelic Dealers Association
The Postmark abides by the IPDA Code of Ethics.
http://www.ipdaonline.org
Claude C Ries Chapter AFDCS
Sponsoring Dealer and Charter Member
http://www.rieschapterafdcs.com
info@rieschapterafdcs.com