3 Karbowanez with overprint "GK.-Ssarny", sheet block 24, Type II and mint never hinged (PFII) (comma instead of period after "GK"), on a piece of letter with Cyrillic postmark "SARNY-a-27 11 41", affixed with the ungummed issued values with typical slight glue stains, in this form very rare, signed Krischke and photo certificate Gerhard Krischke BPP "The edition of this variety is only 26 pieces, so it is very rare.", Michel 1.