2, 50 Mark brownish lilac with overprint, block of six from of the right lower corner of the sheet, there with HAN-A 4891.20 and 4079.20, small stick in the right exterior margin of sheet, otherwise mint never hinged, photo expertize Huylmans BPP, "genuine, perfect, vertical between the stamps slightly prefolded, in fact the overprint HAN little separated", Michel 2800,-