10 Grote black, horizontal pair on piece, prec_en arc, fresh colors and in fact neat cancelled with box cancel of 2 lines "Bremen", left stamp in perfect condition, right stamp with small roulette faults, pair no longer original on the document affixed, typisches, a little albernes certificate with photograph Neumann BPP "concluding Quality judgment impossible. A scarce unit of this stamp", Michel 3. 500.- (preceding starting price 650)