50c scarlet 'Artigas' WATERLOW issue a fine perforated COLOUR TRIAL in unissued colour, gummed with small hole punch and SPECIMEN overprint in black. (SG 563)
50c scarlet 'Artigas' WATERLOW issue a fine perforated COLOUR TRIAL in unissued colour, gummed with small hole punch and SPECIMEN overprint in black. (SG 563)