The quiz currently consists of coins from:
Afghanistan, Albania, Algeria, Armenia, Australia, Austria, Bangladesh, Belarus, Belgium, Bhutan, Brazil, Bulgaria, Cambodia, China, Croatia, Cyprus, Czech, Dominican Republic, East Germany, Egypt, Estonia, Ethiopia, Finland, France, French Morocco, German East Africa, Greece, Guernsey, Haiti, Hungary, Iceland, Iran, Iraq, Israel, Japan, Kazakhstan, Laos, Lebanon, Libya, Lithuania, Macedonia, Mongolia, Morocco, Myanmar, Nepal, North Korea, Norway, Oman, Pakistan, Portugal, Russia, Saudi Arabia, Slovakia, South Korea, Spain, Sri Lanka, Sudan, Sweden, Switzerland, Syria, Taiwan, Thailand, Tibet, Transdniestria, Tunisia, Turkey, Ukraine, West African States, Yemen, Yugoslavia and Zanzibar.