Ave!
Belt Mount, Propellor-type Duo, ca. 4th Cent.
Copper alloy; for your reference, the large mount seen at top is 55mm/9.1gm
Con/ All are intact in classic style, one with four rivet holes; the other with two attachment studs; Semi-cleaned, not waxed.
Ref/ A&L SL 14.8 vars.