North Korea 2001 Chess World Champions 10ch (Lasker & Capablanca) set of 4 imperf progressive proofs comprising the 4 individual colours (magenta, yellow, blue & black) unmounted mint
North Korea 2001 Chess World Champions 10ch (Lasker & Capablanca) set of 4 imperf progressive proofs comprising the 4 individual colours (magenta, yellow, blue & black) unmounted mint