Souvenir sheet issue "Karl-Marx-year", all fours in following types souvenir sheet 8 A Y I, 8 B Y I, 9 A Y II and 9 B Y II, each cancelled by special cancel "BERLIN 10.12.53" - what for the perforated souvenir sheet issues the first day is, very fine, unsigned, photo expertize George Schonherr BPP "genuine and immaculate", Michel 660.-