I found this an interesting resource. First mention of the Mikado etching on my Koeller and Schmitz. Am I reading that correctly?
http://www.archivingindustry.com/cut...lermarks-1.pdf
German Bladsmiths-an illustrated guide to the brand names, trademarks and monograms found on swords, knives, cutlery and razors, 1871-1945
Haven't checked the wiki fully in "other docs" or whatever section yet, but this might be useful to someone.
