2c Black, Die I, Large Die Proof (73P1 var.)

2c Black, Die I, Large Die Proof (73P1 var.), with red SPECIMEN overprint on 72 x 88mm card; couple small mounting thins, otherwise fresh and Very Fine. An extremely rare proof from a National Bank Note Co. salesman's sample book. Fewer than five said to exist.Expertization: 1974 PF Certificate Grade: 80, Service: PF - Non-Graded, Service No.: 0