Weight 31.105 Grams / 1.000 Oz Serial Number Yes Packaging Certicard Manufacturer IRA Approved Yes Purity .999 Actual Weight 1 troy oz Gross Weight 31.105 grams Serial Number Yes Packaging Certicard Length:41.00 mm Width:24.00 mm Thickness:3.00 mm Package Size:2.1" (54 mm) x 3.3" (85 mm) x 0.2" (5 mm)