unused In black: A fine unused example with large part original gum showing variety surcharge struck diagonally upwards. Very rare. B.P.A. Certificate (1991). S.G. 39var. Photo

细节

unused In black: A fine unused example with large part original gum showing variety surcharge struck diagonally upwards. Very rare. B.P.A. Certificate (1991). S.G. 39var. Photo

来源

Col. E.H.R. Green, 1944
Dale Lichtenstein, 1991