cover 18Kr. vermilion, superb with very large margins, and 1Kr. pale yellow (Type I) horizontal pair, just touched at left foot, on 1863 (5 Feb.) envelope from Würzburg to Russia, cancelled by open cogwheel "598" with double ring origin d.s. adjacent and transit and arrival d.s. on reverse, a small tear at top right of envelope has been repaired. Very rare and attractive. Signed Schmitt. M.13a + 8 I. Photo in colour