North Korea 1996 White Spoonbill 50ch (from World Conservation Union set) the set of 4 imperf progressive proofs comprising the 4 individual colours (magenta, yellow, blue & black) unmounted mint as SG N3631
North Korea 1996 White Spoonbill 50ch (from World Conservation Union set) the set of 4 imperf progressive proofs comprising the 4 individual colours (magenta, yellow, blue & black) unmounted mint as SG N3631