Pictorial Postmarks

  Large Commemorative Datestamps (LCDs) Specifically those authorized for use in Japan, its colonies and other occupied areas from 1902 to 1944. References: ISJP Monograph 21: Charles A. L. Swenson, The Large Commemorative Datestamps of Japan, 2014. 180pp.JP Vol. 69...

Foreign Mail Postmarks

Each of the Foreign Mail postmark study groups maintains a listing of all the different post offices where a usage of that postmark has been recorded, including the first and latest reported dates. Please refer to the current listings to determine if you can provide...