1c violet 'National Palace' issue with 'R. De C.' overprint in blue a block of six each stamp overprinted SPECIMEN in red and with small hole punch. Ex ABNCo. Archive. (SG 512)
1c violet 'National Palace' issue with 'R. De C.' overprint in blue a block of six each stamp overprinted SPECIMEN in red and with small hole punch. Ex ABNCo. Archive. (SG 512)