1879 silver dollar goloid

Answer 1

The Goloid metric dollar was minted by the U.S. Mint in Philadelphia as a pattern coin, but it was not a typical silver dollar.

Goloid was an alloy that consisted of gold, silver and copper. The pattern coins were produced with varying amounts of gold and silver in the coins and the alloy was patented by Dr. William Wheeler Hubbell of Philadelphia. The idea was to replace all our silver coinage with goloid coins.

But for various reasons, the goloid coins were never approved and the idea was dropped.

Answer 2

The 1879 US silver dollar is composed of 90% silver and 10% copper.