1 / 4 Silver penny black, postal stationery cover 147 x 63 mm, as local letter "CASSEL 7 / 10" used, postage stamp impression through number postmark cancelled and alongside the town cancel as single circle, as local letter (1 / 4 Sgr. Postage) without additional franking very scarce postal stationery, excellent condition, Corresponding photo expertize Dr. Sommer BPP: "in good condition and in every respect genuine. ", Michel 1.600.- - ex. Collection Kurt Metzer