COLOMBIA. Banco de la Republica. 100 Pesos Oro, ND (1958-67). P-403p. Face & Back Proofs. Mixed PMG Graded Notes.2 pieces in lot. The highest denomination from this series and few were in the 1990-1991 ABN sale lots. Both are India paper proofs on wide margined cards. The face is Choice Uncirculated 64 EPQ and the back is Gem Uncirculated 65 EPQ. A rarer Proof pair from the archive sales and with a superb appearance.