15c. with handstamp in red, mint (horizontal crease) and used examples, both with handstamps inverted; scarce. S.G. J183a var. Photo
15c. with handstamp in red, mint (horizontal crease) and used examples, both with handstamps inverted; scarce. S.G. J183a var. Photo

Details
15c. with handstamp in red, mint (horizontal crease) and used examples, both with handstamps inverted; scarce. S.G. J183a var. Photo