10 pieces in lot. This is another impressive set of five denomination, face and back proofs, mounted on wide margined cards. All have well detailed secret marks in the wide card portion. India paper proofs prepared upon very thin cards, but this set has been together since being prepared at the ABN. All are Uncirculated, with the majority Choice to Gem. Several are EPQ. Colorful and very rare as a secret marks set. Mixed PMG Graded Notes. From the Eldorado Collection of Colombian Paper Money.