The L4 imprint on this check is a deep green. The two punches on the signature line may indicate that it was pulled as a sample to facilitate further orders. A used check with the same color of imprint is known, but from a different bank.

This check has a light green imprint. It is not the same color as the printing on the check, so there is no question of the imprint and the check having been printed at the same time.

The imprint on this check is more blue-green, but not turquoise.