COLOMBIA. Banco Nacional de los Estados Unidos de Colombia. 20 Centavos. June 15, 1885. P-Unlisted (S163?).This is another intriguing note that complements the previous example, forming an important set. Small format Nunez P-122 mimic-style, but with clearly different printing, brown face protector and blue back. Lithographed by Villaveces. Portrait of Nuñez, a cruder rendition than P-122, center. The back with blue denomination counters in corners and printed date; in center oval "EL CAJERO" stamping. Very specialized and also worthy of close examination. Uncertified. Some back corner mount marks that are toned, but solid. Faces up very boldly with its intriguing style.