British Guiana 1921 KG5 Script 24c purple & green overprinted SPECIMEN fine with gum and only about 400 produced SG 278s
British Guiana 1921 KG5 Script 24c purple & green overprinted SPECIMEN fine with gum and only about 400 produced SG 278s
British Guiana 1921 KG5 Script 24c purple & green overprinted SPECIMEN fine with gum and only about 400 produced SG 278s