July 30, 2017, 1PM PDT
Estimate: $300 - $400
Lot 131
Copper is one of the few metals to occur as an uncompounded mineral, the chemistry of which has probably done as much to advance human culture as any other factor. It was known to some of the oldest civilizations on record, and has a history of use at least 10,000 years old. This striking slab is a specimen of native copper, glittering across a dramatic lime green jasper ground, in an irregular slab with a high polished finish, 14 inches wide.
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Auction Information
449 / Important Natural History Auction
Preview: July 25 - 29, 11am -5pm or by appointment.
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These Terms and Conditions of Sale are made by and between I.M. Chait Gallery/Auctioneers, Inc. ("I.M. Chait," "Auction House," "We," "Our" or "Us") and Bidder ("Purchaser," "Buyer or "Agent"). The Terms and Conditions of Sale and all contents of catalogue are subject to amendment by I.M. Chait either by the posting of notices or announcements made by auctioneer. By participating in any sale, Bidder hereby acknowledges to be bound by these terms and conditions.

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Bidding Increment
Price RangeBid Increment
$0 - $100$10
$100 - $500$25
$500 - $1,000$50
$1,000 - $2,000$100
$2,000 - $5,000$250
$5,000 - $10,000$500
$10,000 - $20,000$1,000
$20,000 - $50,000$2,500
$50,000 - $100,000$5,000