10 Rbl. On 1 Rouble postal stamp, overprint in type III = swastika 4 mm, very clear overprint, cancelled by Cyrillic two ring cancel "Alexanderstadt 12.5.42" as well one-line cancel "Alexanderstadt on piece, very fine, signed Zirath and expertise Robert Brunel VP (2023) "the condition is perfect. Due to the low issue is the stamp rare. ", Michel 3.500.-