1 Kreuzer black / gray green (1. issue) in mixed franking with 3 Kr. pale blue on white (2. issue) as correctly franked 4 Kr. franking on folded letter cover from "179" HACHENBURG (in black blue) to Nassau addressed, both stamps on average full margins partly with small parts the neighbour stamps!, photo expertize Georg Buehler (1971) and photo expertize Peter Sem BPP: "faultless, unrepaired. The described stamps combination (I. With II. issue) is rare. also the colored number postmark in the for Hachenburg typically black blue shade is on cover not commonest! "