COLOMBIA. Banco de la Republica. 50 Pesos Oro, Mixed Dates. P-393p. Proofs. Mixed PMG Graded Notes.2 pieces in lot. Green face proofs on India paper mounted on wide margined cards. The first is January 1, 1951 and Choice Uncirculated 64. The second is January 1, 1953 and also Choice Uncirculated 64.Ex. The Eldorado Collection of Colombian Paper Money.