PUERTO RICO. Banco de Puerto Rico. 10 Dollars, 1909 & ND (1909). P-48p1 & 48p2. Front & Back Proof. PMG Superb Gem Uncirculated 67 EPQ.
2 pieces in lot. A grouping that pairs nicely with the 5 Dollar proof pairing in the previous lot. Both uniface proofs seen in SGU 67Q holders and both are in black color. A scarce offering printed by the American Bank Note Company.
Estimate: $750.00- $1250.00