
50c black & yellow 'Birth Centenary of Calderon' issue, a fine top marginal copy with 'SPECIMEN' overprint in black and small hole punch. Ex ABNCo. archive. (SG 315)
50c black & yellow 'Birth Centenary of Calderon' issue, a fine top marginal copy with 'SPECIMEN' overprint in black and small hole punch. Ex ABNCo. archive. (SG 315)