70 pfennigs "200 years independence the United states from America", specimen cardboard the Federal Printing Office in the size 105 x 149 mm with glassine cover sheet, black inscription, embossed seal the Federal Printing Office and affixed stamp Michel number 895 with blue instead of black numeral of value, according to Federal Printing Office is a a first proof from 13. January 1976, this has been released for printing with a change instruction, the amendment instruction pealed "numeral of value should black to be printed and pulled down become except for the middle ground of the upper red strip. the black text is slightly significant to print. ", in existing form most likely a unique piece, photo expertize Andreas Schlegel BPP "the specimen cardboard is genuine.