North Korea 2001 Birds sheetlet containing 6 values - set of 4 imperf progressive proofs comprising the 4 individual colours (magenta, yellow, blue & black) unmounted mint as SG N4137-42
North Korea 2001 Birds sheetlet containing 6 values - set of 4 imperf progressive proofs comprising the 4 individual colours (magenta, yellow, blue & black) unmounted mint as SG N4137-42