9fhceis ((COPPER)), $20 MINIMUM BID, Keweenaw Peninsula, Michigan, 5.5 x 5 x 1.5 cm, Miniature, | |
Somewhat aesthetic cluster of Copper crystals. ex Philadelphia Academy of Science #22657, ex S B Whiting collection. Whiting was the General Manager of the Calumet Mine 1888 to 1901 |