3c light blue 'OFICIAL' overprint issue with blue 'Signature' control opt, further opt with boxed 'RESELLO 1935' with variety latter OVERPRINT DOUBLE ONE INVERTED. A fine unused block of four. (SG O866A variety)
3c light blue 'OFICIAL' overprint issue with blue 'Signature' control opt, further opt with boxed 'RESELLO 1935' with variety latter OVERPRINT DOUBLE ONE INVERTED. A fine unused block of four. (SG O866A variety)