"Gold filled" medals such as this St. Christopher have thick, mechanically applied gold at least 10Kt.,which weighs at least Th. of the total weight. St. Christopher Gold Filled 11/16 In. x 1 1/6 In.,  Your Choice of Chain # 2429

St. Christopher was a 3rd century man who made his living carrying people across the river. One day Our Lord, as a child, was his passenger. Hence, this saint is the patron of travelers.

The 14kt Gold on this medal is a significant 1/10th of its final weight.
"Gold Filled" means a thick layer of gold bonded with heat and pressure to a base metal.