1 / 2 Dollar on 1 Mark war issue with perforation B and overprinted value middle, unused / mint never hinged block of four, choice copy (upper stamps unused) from of the left lower corner of the sheet with HAN "H5484.18" (mint never hinged), as well right lower stamp with overprint error "right rosette on a tip" (field 18), in fact scarce combination HAN / overprint error!