Proof Block of Four  A block of four [99-100/109-110] with sheet margin at right, in black on card; some slight staining. Photo
Proof Block of Four A block of four [99-100/109-110] with sheet margin at right, in black on card; some slight staining. Photo

Details
Proof Block of Four A block of four [99-100/109-110] with sheet margin at right, in black on card; some slight staining. Photo