※ Bulk purchase requests are welcome. Product Overview ・Set of 3 retro vintage postcards ・Black and white photos of Sakhalin Oblast, Russia (Karafuto during the period of Japanese rule) ・All from the pre-war period of Japanese rule. ・The first is the Hodai Loop Line Bridge of the Hosen Line. ・The second is the Kawakami Coal Mine Station of the Kawakami Line. ・The third is a stone monument on the 50th parallel north, the border between South Sakhalin (then Japanese territory) and North Sakhalin (then Russian territory). ・Publication year: 　1st: 1928-1933 (Showa 3-Showa 8) (Due to the format of the address side being "Kikaha Bin Yu" under the old postal law, and the communication text area being 1/2, it is 1918-1933. The Hodai Loop Line opened in 1928) 　2nd: 1922-1933 (Taisho 11-Showa 8) (Due to the format of the address side being "Kikaha Bin Yu" under the old postal law, and the communication text area being 1/2, it is 1918-1933. The Kawakami Coal Mine Station opened in 1922) 　3rd: 1907-1918 (Meiji 40-Taisho 7) (Due to the format of the address side being "Kikaha Bin Yu" under the old postal law, and the communication text area being 1/3 or less) Condition ・The address side is unused. ・Due to the paper material being over 90 years old, there is age-related deterioration as shown in the photos. Shipping ・Scheduled to be shipped in a Nekopos dedicated box.