Leilão Bidspirit | 1937 (23 Aug) Registered illustrative

1937 (23 Aug) Registered illustrative KGVI 9p & 1a block of 4 First Day Cover FDC used from Calcutta to Burma - 1937 (23 Aug) Registered illustrative KGVI 9p & 1a block of 4 First Day Cover FDC used from Calcutta to Burma; stains