Korean Philately Vol 25 – 28

Korean Philately Vol XXV No. 1 (February 1976) Korean Philately Vol XXV No. 2 (May 1976)
Korean Philately Vol XXV No. 3 (August 1976) Korean Philately Vol XXV No. 4 (November 1976)
Vol 26 No 1 (1977) Korean Philately Vol XXVI No. 2 (May 1977)
Korean Philately Vol XXVI No. 3 (August 1977) Korean Philately Vol XXVI No. 4 (November 1977)
Korean Philately Vol XXVII No. 1 (February 1978) Korean Philately Vol XXVII No. 2 (May 1978)
Korean Philately Vol XXVII No. 3 (August 1978) Korean Philately Vol XXVII No. 4 (November 1978)
Korean Philately Vol XXVIII No. 1 (February 1979) Korean Philately Vol XXVIII No. 2 (May 1979)
Korean Philately Vol XXVIII No. 3 (August 1979) Korean Philately Vol XXVIII No. 4 (November 1979)