LOCKS No. 31
Used in all Boxes Coin Collecting until the early 1960's. Superseded by the Lock No. 39 which was more secure lock and had numerous key combinations.
Fitted to the engineers compartment cover and only had one combination.
Used a Key, Lock J.
Usually found on recovered Southern Irish CCB's.
These keys can be cut but they are thinner than the standard locker key. Evidently called Carpenters Lock keys.
Last revised: February 27, 2021