COLOMBIA. Republica de Columbia. 10 Pesos Oro, ND (1915). P-324p. Front & Back Proofs. PMG Gem Uncirculated 66 EPQ & Superb Gem Uncirculated 67 EPQ. 2 pieces in lot. Printed by ABNC. The face proof is found in a Gem Unc 66Q grade while the reverse proof is found in a Superb Gem Unc 67Q grade. Good detail and ink on both. PMG comments "Note Unaffected by Issue on Cardstock" on both.