24c Gray Lilac, F. Grill, Specimen Overprint Ty. H (99S-H).
Clear 16mm long "SPECIMEN"
overprint in capital letters, tiny thin spot, Very Good appearance, an extremely rare 24c 1868 F Grill with the Ty. H Specimen overprint, among the front of the book classics, Scott lists only three low denomination Columbians with this overprint (a few Revenues are also listed), this 24c F Grill is unlisted and may well be unique, with 1981 P.F. certificate
Image Magnifier / Download