Gold Filled (also called Gold Overlay)
Gold Filled (also called Gold Overlay) is made by using heat and pressure to apply a layer of karat gold to a base of less costly metal. This produces a surface with karat gold. The minimum layer of karat gold must equal at least 1/20th of the total weight of the item. Tubing is usually seamless, so that only gold touches the body. 'Silver Filled' is the same process, using Sterling or fine silver. Use care when buffing Gold Filled, to avoid removing the gold layer.The surface layer of karat gold is usually 10kt, 12kt or 14kt. Also, to know the thickness of the layer, look for a fraction, such as 1/10 or 1/20. It is 1/20 unless otherwise stamped.
Examples: 1/10 10kt GF: 1/10 of the total weight must be 10kt gold. 1/20 12kt GF: 1/20 of the total weight must be 12kt gold. |

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