COLOMBIA. El Banco de la Republica. 50 & 200 Pesos Oro, 1969-83. P-412s & 428s. Specimens. PMG Choice Extremely Fine 45 EPQ to Superb Gem Unc 67 EPQ. ecimens in lot. Pick 412s in SGU 67EPQ and P-428s in 45 EPQ. No PMG Choice Extremely Fine 45 EPQ to Superb Gem Unc 67 EPQ.