| Polished Copper Pyramid Michigan 100 grams | |
| |
Description: Mining began in 1845 and continued until 1968 and over 5 million tons of refined copper was recovered from the mines. In the early 1900s it led the world in copper production and "Lake Copper" was the purity standard to which other refined copper was compared.Winning Bid: USD $12.33 - 6 bids (Year Sold: 2020 ) |
Found near: Michigan, United States
Approx/Nearest City GPS Coordinates (Lat, Long): (, )
No comments have been left yet