banknotes canada cash change coin coinage coins colorful currency decimal dollar dollars dough euro europe green money note notes potential soiled used value various denominations wealth 500 baapu bapu bill currency note five hundred gandhi gandhiji India Indian indian currency indian rupees mahatma mahatma gandhi rupees. rs. rupia 20 Swiss francs CHF bank notes KSA Riyal Saudi Arabia Saudi Arabia currency Saudi Money appearance aussie Australian color colored colors colour coloured colours decimal-currency finance historic history low-value monetary numismatics obverse old outdated pre-decimal-currency replaced security superceded superseded textures values reverse airport charitable charity contained container containers contribute contributions donations gift gifts inaccessible international-currency left-over loose-change plastic secure see-through see-thru analyzing bank note business calculations calculatior convert currency counting money data earnings finances financial global player growth improvement interest international business investment market number paper plan rate savings stock trading cambodian Cambodian-riel denominations Khmer-currency KHR riel success variations variety various