3 Rbl on 1 Rbl dark blue with Y watermark. Without mould spots on on piece in outstanding quality (Michel valuation counts for stamps with mould spots), certificate Zirath BPP (2015) "has an authentic overprint. The kyrilische print of a postmark from Alexanderstadt 19 4 42 is likewise genuine. Defects are indistinguishable. " Michel 2. 400.