Robin.... I sent a scan to my German buddy, and here is his reply. Please keep in mind that English is a second language for him.
Quote:
Well,
its a tax stamp from old Bavaria, will be printed so betwheen 1870 and 1910, used also for "additional costs" in many many directions like fees for bureaucrathy + + +
Not listed in the Michel but often to find here, low price just used per pencil line.