4 Heller imperial yacht watermarked unperforated, outstanding quality mint never hinged and unsigned. Certificate Steuer VÖB "qualitatively perfect", the stamp originates from an unperforated original sheet to 100 pieces with house order number "H 1041.09", the from the archive the Federal Printing Office (former Empire printing office in Berlin) 1997 public auctioned was, Michel 2.000.-