Ave!
Lock Bolt, Door, Intricate, Scarce Type, 1st-3rd Cent.
Copper alloy; 78mm/50.6gm!
Con/ As Cast; Pale green patina; cleaned, not waxed.
Seller's Note/ The lock smith who cast this bolt with the dual cross-hatching insured that one key, and one key only, was enabled to work the lock. Very cool!