Issuer: North Korea
Issue: Marine Snails and Fish
Date: 9/5/1977 (1977 sheets)

Block 1 (6, 3 x 2)
1, 1:
1, 2: 2ch d=Mactra sulcataria
1, 3: 5ch d=Natica fortunel
2, 1: 10ch d=Arca inflata
2, 2: 25ch d=Rapana thomasiana
2, 3: airmail 50ch d=Sphoeroides porphyreus



External links:
Colnect 462935..sh-Korea_North