100rs blue 'Rio Grande do Sul' Imposto REVENUE issue a fine IMPERF WATERLOW COLOUR TRIAL mounted on small piece of a sample book with 'Waterlow & Sons Ltd SPECIMEN' overprint in black & 'S.T.1124 sample reference number at top.
100rs blue 'Rio Grande do Sul' Imposto REVENUE issue a fine IMPERF WATERLOW COLOUR TRIAL mounted on small piece of a sample book with 'Waterlow & Sons Ltd SPECIMEN' overprint in black & 'S.T.1124 sample reference number at top.