Gold-filled jewelry

[1] Gold-filled material is made by bonding a layer of gold alloy to a base metal core (typically brass, but sometimes copper or silver).

[2] Reputable manufacturers and sellers in the US adhere to these FTC regulations, ensuring consistent quality and consumer protection.

This abbreviation is incompatible with FTC guidelines, which require clear labeling of the gold content and fineness (e.g., 1/20 14K GF).

In the United States, the quality of gold-filled composite is defined by the Federal Trade Commission (FTC).

One-twentieth 14Kt double clad gold-filled has a layer on each side of 1⁄40th 14Kt making the total content of gold 1⁄20.