80 Pfg Germania "Reichspost" with hand stamp overprint "China", in perfect condition mint never hinged (! ! ! ) copy of the rare stamp, photo certificates Bothe BPP (1984) and Jäschke-Lantelme BPP (2014) : "in faultless, mint never hinged condition. Mint never hinged examples of this denomination value are - especially in perfect condition - very rare and only in few copies known. " Michel 20.000.- - what you due to the fact that hardly perfectly pieces existing, as clearly undervalued have a look must.