Yes, an 18K gold pendant made byGli Ori di Venezia would be marked with 750, as this number signifies 75% pure gold, which is the standard for 18-karat gold. The mark may also include a maker’s mark, like the Italian hallmark which often includes a star, a number, and the initials of the manufacturer.
#3246 ANTIQUED STERLING SILVER PLATED CRIMP STYLE BALE W/HANG RING – 18 Pc Lot
A brass stamped crimp bale with a top hang ring, has been sterling silver plated, then given a rich antique finish. This bail is used to convert a stamping with either a ring or hole for use as a pendant.