1920-1930s Junk 5th print 1c and 2c single PSC used for foreign destinations in a group of 5 (Han 26, 28), showcasing 2c concessionary rate
1920-1930s Junk 5th print 1c and 2c single PSC used for foreign destinations in a group of 5 (Han 26, 28), showcasing 2c concessionary rate to Japan, 5c, 6c, 9c international postcard and printed matter rate.1920至1930年代帆船第五版1分及2分郵資片單片,均寄國外,共五張(韓目26、28),展示了2分寄日本特惠郵資、5分、6分及9分國外明信片及印刷品郵資。