Use "open cheque" in a sentence

1. TYPES OF Cheques (A) OPEN CHEQUE - It is an uncrossed cheque which is payable at counter of the bank

2. The war-time legacy of the five-shilling legal maximum on restaurant bills was an open cheque for profiteers to pose as restaurateurs.

3. An open Cheque is risky because, if the holder of the Cheque loses it, any person, who is in possession of it, can take the payment from the bank.