cover 18Kr. orange-red (pale shade) two examples, one with small to large margins, the other with good margins on three sides (touched at foot) on 1866 (11 April) entire letter from Munich to Thal, Switzerland, lightly cancelled by open cogwheel "325" with two line origin d.s. adjacent, Swiss transit and arrival c.d.s. on reverse. Fine and rare. Signed Pfenninger. M.13b. Sem D.M. 6,500