1, 50 Karbowanez medium ochre-brown on vertical roveed thick paper, type II, on decorative letter piece, right with full Cyrillic cancel "SARNY a 29 11 41", issue typical perforation, signed Krischke BPP and photo expertize Walter Zirath BPP (2025) ". defects are indistinguishable, because the perforation is typical. this is a very rare stamp. " Michel 3.300.- a rare stamp.