yes you can, go with the receipt to the place you bought it and they gonna give you your refund :D
It is a money order where you have to pay with money.
The English phrase 'metal money' means coins collectively
Since cash is probably used to purchase the money order those monies have been given to the place that prints out the money order. However in many cases the person can get a replacement money order....
The monetary value of a money order will be printed on the money order itself.