Korean Empire and South Korea mainly never hinged collection to 1974, two of each from 1946, includes useful Empire issues. 1900-03 50ch, 1wn and 2wn mint, 1900 Japanese Post Offices to 1y mint, some faults, then very extensive colln from 1940s with many highly catalogued stamps such as 1948 Olympics (2), 1948 Constitution (2) 1948 First President (2), 1948 Proclamation (2), 1949 Railway (2) and so on with 2 of each throughout. Generally fine from 1946 onwards. Keep one set, sell the other. A cheap way to build a collection