Finding an exact match for an old lock is not always possible, as only a limited amount of sizes are now made.
Economical Box Locks, with half mortise design, are used on chests and boxes with lift lids. Lock is mortised into interior of box front and strike attaches underneath lid. When closed, strike drops down into lock.
This is a very reasonably priced lock, as such locking mechanism is average, not as smooth as European made locks, yet is serviceable. Made in Asia
Replacing Box Locks
Keyhole location measurement is critical. Replacement lock-keyhole-location must match location of keyhole in furniture.
To measure: easiest to measure old lock, if you have it:
Lock Keyhole Location: distance between selvedge-edge - where bolt shoots through, to lock pin. This measurement is known as the backset.
Furniture Keyhole Cutout Location: distance between furniture-edge to estimated location of lock pin in furniture keyhole.