20 pfennigs university Greifswald as Polit propaganda forgery with more changed seal inscription in version II "tank and cannons against worker, farmer, gown - the true face the peace-loving Soviets" and Soviet Star in the coat of arms, unfinished, still imperforated copy from the counterfeiter workshop of the Westberliners Wills small. Photo expertize Rehn BPP (1980).