North Korea 1983 Luposta Airmail Exhibition perf sheetlet containing 4 se-tenant pairs, unmounted mint, SG N2280a
North Korea 1983 Luposta Airmail Exhibition perf sheetlet containing 4 se-tenant pairs, unmounted mint, SG N2280a
North Korea 1983 Luposta Airmail Exhibition perf sheetlet containing 4 se-tenant pairs, unmounted mint, SG N2280a