3 - 12 Pfg farewell series unwatermarked, two complete sets, the 4 Pfg in each case on thick paper, along with reverse pasted up 6 and 30 Pfg Control Council on correctly franked registered letter from "WERDAU 29.3.46" to Wünschendorf with arrival postmark, faultless, stamps on thick paper are on documents rare, expertized Ströh BPP