abolished appearance banknote burma Burmese cash Central-Bank-of-Myanmar color colored colors colour coloured colours currency dollars exchange exchanging FEC finance foreign-currency Foreign-Exchange-Certificate historic history invalid low-value monetary money Myanmar notes numismatics old outdated phased-out replaced security superceded superseded textures USA-dollar-values value values Australian banknotes numismatists ruler wealth various denomination potential various denominations bank notes KSA Riyal Saudi Arabia Saudi Riyal business credit dull financial gloomy gray grey man outlook problem squeeze umbrella