sentences:  The cooperating partners were Giesecke & Devrient for bank notes and, the Bavarian Mint for coinage.When the Z$500 million mint was commissioned by President Robert Mugabe, it was argued that it would save the country US$50 million in foreign currency because it was costing the country 150 cents to import a 10-cent piece, for example.The mint, has six presses, which can churn out 240 million pieces a year when the country's annual demand last stood at 160 million pieces.