PRIESTEWITZ, 75 Pf. Stephan, study group: 85a with SBZ additional franking on about 1 Pf. postage exceeding tariff rate cover from Priestewitz to Zschieschen, photo expertize Dr. Böheim BPP "genuine and immaculate. . . The 75 Pf. Stephan stamp is on cover very rare. . . "