37 characters in the Currency Symbols Unicode block.
U+20A0EURO-CURRENCY SIGNU+20A1COLON SIGNU+20A2CRUZEIRO SIGNU+20A3FRENCH FRANC SIGNU+20A4LIRA SIGNU+20A5MILL SIGNU+20A6NAIRA SIGNU+20A7PESETA SIGNU+20A8RUPEE SIGNU+20A9WON SIGNU+20AANEW SHEQEL SIGNU+20ABDONG SIGNU+20ACEURO SIGNU+20ADKIP SIGNU+20AETUGRIK SIGNU+20AFDRACHMA SIGNU+20B0GERMAN PENNY SIGNU+20B1PESO SIGNU+20B2GUARANI SIGNU+20B3AUSTRAL SIGNU+20B4HRYVNIA SIGNU+20B5CEDI SIGNU+20B6LIVRE TOURNOIS SIGNU+20B7SPESMILO SIGNU+20B8TENGE SIGNU+20B9INDIAN RUPEE SIGNU+20BATURKISH LIRA SIGNU+20BBNORDIC MARK SIGNU+20BCMANAT SIGNU+20BDRUBLE SIGNU+20BELARI SIGNU+20BFBITCOIN SIGNU+20C0SOM SIGNU+20C1SAUDI RIYAL SIGNU+20C2RUFIYAA SIGNU+20C3UAE DIRHAM SIGNU+20C4OMANI RIAL SIGN