2018

Keystone Consolidated Mining Co. Stock Collection (107855)

Currency:USD Category:Coins & Paper Money / Stock & Bond - Mining Start Price:75.00 USD Estimated At:150.00 - 200.00 USD
Keystone Consolidated Mining Co. Stock Collection  (107855)
SOLD
75.00USDto 8***1+ buyer's premium (16.50)
This item SOLD at 2020 Feb 15 @ 08:30UTC-8 : PST/AKDT
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Lot of 4 different. Issued in 1883 (for 50 shares, uncancelled, made to look like currency); 1920 (500 shares, uncancelled, three mining vignettes); and 1931 & 1932, both uncancelled. Good condition with folds, some toning. In 1857 the Spring Hill mine was consolidated with the Granite State and Walnut Hill mines, which had previously been consolidated with the Keystone mine, and the new combination became known as the Keystone Consolidated Mine. In 1868 the vein varied from 12 inches to 10 feet in width and two shafts, each with its steam hoisting works, kept a steady stream of ore flowing to the twenty-stamp mill. By 1870 the twenty-stamp mill had been increased to forty stamps and the Keystone was now such a proven producer that its production figures no longer made news.

Provenance: Ken Prag Collection
Country (if not USA):
State: California
City/County: Amador County
Date: 1883-1932