Antique 18kt yellow Gold mesh Holder Antique 18ky yellow Gold Mesh Holder. Can be wear as an Key Holder. Measurements: 4.75 x 0.68 inches. Total weight:17.6 grams. Stamped: "R18K". Very good conditions. Upon Request, Auction House may provide an appraisal. This will carry an additional cost. Appraisals are made by our in house GIA certified Gemologist.