2, two, pesos, mil, dos, colombia, colombian, cop, col, centavo, money, cash, bills, wealth, funds, banking, purse, wallet, magnifying, glass, check, watch, zoom, counterfeit, detection, watermark, color shifting, ink, security thread, microprinting, ultraviolet, glow, serial numbers, currency, fake, fraud, crime, counterfeiter, genuine, authentic, emboss, obverse, reverse, find, work, occupation, detective, search, details, difference