Old U.S. Brass lock, anyone ID this

[Backbeatkeeper]

Found next to old house built in the late 1800s in Southern California.

 

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[trapperart]

No help with ID but that sure is cool congrats

 

[david680]

I think you did ID it, but I think there was one posted here in the last 6 weeks that had a bit more info on it. Congrats.

 

[diggummup]

here is one from a catalog dated 1917-