Product Overview
It's not often you find a coffee cup stamped with an RB (Reichsbetriebsnummer) Number. RBNr's were set up as a way of recording factory and manufacturing data.
This cup measures about 3.5 inches tall and 3.5 inches wide.
More information about RBNr's can be found here and I suggest the read:
https://www.warrelics.eu/forum/heer-luftwaffe-kriegsmarine-uniforms-third-reich/reichsbetriebsnummer-rb-numbering-system-239110/
