6 Kreuzer black on yellow, 1860, horizontal pair, 12 Kreuzer franking, five-ring cancellation "159" and double-circle ancillary mark "WIESLOCH 28 FEB" on folded letter wrapper to Chur, Switzerland. Stamps with full to extra-wide margins all round, original and very fine condition. Under the 1855 tariff the normal rate was 15 Kreuzer: 9 Kreuzer Postal Union rate and 6 Kreuzer onward postage for Switzerland. The missing 3 Kreuzer, or 10 Rappen, marked in red on the front, were collected from the recipient. Faultless condition, unsigned, Franz Stegmüller BPP photo certificate (2020): "perfect condition, an interesting and decorative entire", Mi. 1.500.- ++, ex Monplaisir collection