Sight Letter Of Credit
  
A letter of credit made up completely of comic strip panels.
Actually, it’s a kind of on-demand letter of credit, which allows the presenter to receive their funds immediately upon delivery. You know...on sight.
A letter of credit operates like a check. It provides verification that money is owed for the delivery of whatever goods or services were provided to earn the cash. A sight letter of credit doesn't require a lag between it being presented and the funds being received. The exchange happens immediately.