10 Rbl. on 1 Rouble postal stamp black / dark red, overprint in type III, perfect mint never hinged! it is a matter here especially in mint never hinged and unsigned condition about an extremely rare stamp, photo expertize Walter Zirath BPP (2025) "the condition is perfect, because the perforation for this issue is typical. these stamps appertain with to the largest rarities of the German occupation issues in the II. world war. ", Michel 30.000.-