Issued October 7, 2025 International Letter Writing Week First Day of Issue Stamp Maximum Card Hand-stamped and Machine-stamped, 1 card each The postcards were printed using images from the public domain. The back is blank. Will be shipped via regular mail with measures to prevent folding. Instant purchase is welcome. *Regarding combined purchase discounts We will discount the shipping cost for combined purchases of cards. Please contact us via "Request to buy in bulk." We will change the price after approval, so please apply at the regular price first.