Lot 137

Sculptural Orthoceras & Ammonite Fossils

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Sculptural Orthoceras & Ammonite Fossils

Estimate: $700 - $1,050

Starting Bid: $350

(0 Bids)

by Artemis Fine Arts
June 5, 2026 9:00 AM MDT
Live Auction
686 S. Taylor Avenue
Suite 108
Louisville, CO, US 80027

North Africa, Morocco, Devonian Period, ca. 419.2 to 358.9 million years ago. A sculptural fossil stone featuring a partial ammonite and an elongated Orthoceras shell preserved within a warm brown matrix. The fossil forms are rendered in pale quartzite, polished and raised against the textured surrounding surface, creating a strong natural contrast. The stone has been cut into an upright, freestanding form supported by a thick integral base, emphasizing both the organic structure of the fossils. Size: 17.5" L x 3.5" W x 17.5" H (44.4 cm x 8.9 cm x 44.4 cm)

Provenance: private Texas, USA Collection

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Item # 202021

  • Condition: Loss to orthoceras shell tip. Some scratches and abrasions, but otherwise stable.

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Bid Increments
From: To: Increments:
$0 $299 $25
$300 $999 $50
$1,000 $1,999 $100
$2,000 $4,999 $250
$5,000 $9,999 $500
$10,000 $19,999 $1,000
$20,000 $49,999 $2,500
$50,000 $99,999 $5,000
$100,000 $199,999 $10,000
$200,000 + $20,000