Uruguay 1954 Gateway at Montevideo 12c Printer's sample in blue & red (issued stamp was sepia & blue) overprinted Waterlow & Sons SPECIMEN with security punch hole without gum, as SG 1036
Uruguay 1954 Gateway at Montevideo 12c Printer's sample in blue & red (issued stamp was sepia & blue) overprinted Waterlow & Sons SPECIMEN with security punch hole without gum, as SG 1036