The currency has a variety and some of it is as follows: A-credited:1-credited currency: which has a fairly fixed and stable validity.2 Untrustworthy currency: that does not have constant and secure credit – in the sense of recognition:1- the official currency that is effective in the calendar of official and public institutions.2-free currency whose price is set freely. P-of-the-art supply sources:1- the trading currency provided by foreign trade and transactions.2- Foreign currency is supplied by the government or its factors abroad.3-the currency is the currency that is bought and imported goods.