Frequency is measured in hertz (Hz). A person who has hearing within the normal range can hear sounds that have frequencies between 20 and 20,000 Hz. The most important sounds we hear every day are in the 250 to 6,000 Hz range.
An issue date was added, and cheques may not be valid a certain amount of time after issue. In the US and Canada a cheque is typically valid for six months after the date of issue, after which it is a stale-dated cheque, but this depends on where the cheque is drawn; in Australia this is typically fifteen months.
Best Answer: It's called a stale check or money order. Usually anything over 6 months old is hard to cash. However, it should still be good as the money hasn't been paid against the MO. Take it to the bank. What they may do is accept it and hold it until they are paid (the MO has cleared).