UPPER VOLTA (1960a2) Deer Mask*. Sepia printer's proof. Scott No 73, Yvert No 73. These are the rarest of the French proofs. Only 3-4 were made from the unhardened die as a final check before printing.
AVAILABLE AT $200
UPPER VOLTA (1960b) Warthog Mask*. Sepia printer's proof. Scott No 76, Yvert No 76. These are the rarest of the French proofs. Only 3-4 were made from the unhardened die as a final check before printing.
AVAILABLE AT $200