Natural History - Caledonia Mine Native Copper Specimen Group

1 5/8 in. (209 grams total, 41 mm each including box).

A group of 13 Caledonia mine native copper specimens, each mounted on foam and held in a white card collector's tray accompanied by an identification label; accompanied by typed labels reading 'Michigan copper ore. Calumet and Helca conglomerate centennial #6 mine Houghton Co., Michigan.' [13, No Reserve]

Provenance

From Caledonia Mine, Ontonagon County, Michigan, USA.
Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).

CONDITION

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AUCTIONS:

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LOT 1880