When they go to the bank the calendar by the teller says 23 October , but the check says 27-8-1968. The possible cause of this is that the check was already made out and then there was a two month delay in filming the scene.
The tapestry on the wall of the Bank of the Lebanon in the design of a banknote is that of a five pounds of the National Bank of Egypt issued in 1951. A Lebanese bank would not have an Egyptian banknote image on their wall.