unused  24ca. red showing apparent retouch in the lower right corner square, light gum bend, mint. S.G. 24, Chan 30. Photo
unused 24ca. red showing apparent retouch in the lower right corner square, light gum bend, mint. S.G. 24, Chan 30. Photo

Details
unused 24ca. red showing apparent retouch in the lower right corner square, light gum bend, mint. S.G. 24, Chan 30. Photo