7 Kr. pale blue, having bright colors and perfect perforations extremely fine copy as properly franked single franking on folded letter, with single circle postmark "MANNHEIM 21 oct" (1871) over Burgdorf and Bern to Wasen in of Switzerland (tariff 1868). Stationery slight water traces. Abridged certificate with photo Stegmüller BPP (01 / 2018) "perfect"