COLOMBIA. Banco de la Republica. 500 Pesos Oro, ND (1942-53). P-391p. Face and Back Proofs. Mixed PMG Graded Notes.2 pieces in lot. This is an undated type with series to be stamped. India paper proofs on wide margined cards. Olive green face and orange back. The face is Gem Uncirculated 65 EPQ with penciled annotation at the top of the card face. The back is Superb Gem Uncirculated 67 EPQ. Both are stunning. A rarer type from the 1990-1991 ABN sale lots.Ex. The Eldorado Collection of Colombian Paper Money.