COLOMBIA. Banco de la Republica. 10 Pesos Oro. January 1, 1958, January 1, 1960. P-400b. Date Variety Pair.2 pieces in lot. A superb pair of notes from two dates: 1958 and 1960. Series N. Deep blue face, slightly lighter on the back. Narino at the left with adjacent Mercury. The Cali bank on back. Both are beautifully balanced Gems.PMG Superb Gem Uncirculated 67 EPQ.From the Eldorado Collection of Colombian Paper Money.