Can anyone tell me when this was made? Going to be a gift for a locksmith friend.. would like some info on it : Locksmith

It’s a number 77. Production range from 1945-1993, 1996. Or at least that’s what a little bit of Internet research says. Take it with a grain.

It’s cool that you have the keys for it

you might be able to narrow down the date range a little bit more if you were able to find out when Master Lock started putting key codes on their locks/keys..

The design on the head of the key may tell you more as well.. I’d try to find an old guy at your local locksmith shop..

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