10+2 and 20+3 Pfg Bach seals, always as correctly franked single franking, the 10 Pfg on local letter with special cancel" (20 a) Hanover / lower saxony stamp exhibition 2.11.50" on appropriate decorative cover, the 20 Pfg on long distance cover from "KIRCHBERG 4.10.51" to Remscheid, in perfect condition, attractive pair of letters, Michel 200.-