4 pieces in lot. Fascinating and extremely rare set printed by Hamilton Bank Note Co. First Issue. Green back on thick paper only. PMG Choice Uncirculated 64; Second Issue. Face black portions only. PMG Choice Uncirculated 64 EPQ; Rust color back. Choice Uncirculated 64 EPQ; Blue color trial back. Choice Uncirculated 63 EPQ. The last three stamped Specimen and on cards. Mixed PMG Graded Notes From the Eldorado Collection of Colombian Paper Money.