
5c greenish blue 'Juan Manuel Blanes' issue a fine WATERLOW COLOUR TRIAL in unissued colour, perforated with 'Waterlow & Sons Ltd SPECIMEN' overprint in black. (SG 858)
5c greenish blue 'Juan Manuel Blanes' issue a fine WATERLOW COLOUR TRIAL in unissued colour, perforated with 'Waterlow & Sons Ltd SPECIMEN' overprint in black. (SG 858)