5-30 Pf Berlin bear rouletted in perfect condition on cover with special cancel "BERLIN NW 7 14. 4. 1946 common party congress the SPD and KPD", photo expertize Ströh BPP: "genuine and immaculate - in cancelled condition with on all sides good till very good roulette. The cancellation is date-appropriate and genuine. The cover is not correctly franked franked by 91 Pf. Michel 950, for single stamps