Agree with the cashier of a small shop or pharmacy that will bring them metal coins. As a rule, in places detail is necessary, but if you want to change it without notice, you can refuse. The counting of the money needed time, delaying other customers. A preliminary agreement with a particular employee - the optimal solution in this case.
Try to find special machines for the reception stuff. As a rule, they are installed in banks or shopping malls in major cities. To take a small thing with such devices is very simple. You pour the coins into the machine, which quickly counts them. In return, you receive a check, which will be able to Deposit the amount to the card account or to a specified branch of the Bank in cash.
Open an account or card at the Bank and Deposit their metal coins. In a simple exchange of stuff on paper bills, you can refuse, but not make the money as a Deposit on account is not eligible. You choose the hours when the Bank is not very lots of visitors.
In advance lay a small plastic envelopes according to denomination. Before you donate, leave each multiples of 50, and sign it on the envelope. Thus, you will greatly simplify the calculation.
Some banks can take a percentage for the exchange of metal coins: Refine these rules before putting.
If you need foreign currency, try to buy it for coins in the small exchange. However, the exchangers are often happy to make a change, because clients come to him with all the bills, and in return, as a rule, requires a certain amount of quarters.