Entire letter canc. "NEU ULM*6/11" to Wassertrudingen on letter sheet printed "Das Koninl.Bayer.12te Infanterie Regiment/vacant/Konig Otto von Griechenland" addressed to "an den Magistrat den Stadt". The letter is dated "Neu Ulm 6 November 1867", three months after King Ottos death. This Regiment formed in 1814 as Wurzburg, later "Prince Otto von Bayern Inf. Reg." and from 1832 "Koning Otto...". Very fine and rare.