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Iridescent Ammolite
Placenticeras costatum

CAGR

Compound Annual Growth Rate
16.47%
17.10.18 - 17.04.26
Drop Date
17.04.2026
Drop Price
54,100.00 €
Market Value
+9.24%
|
59,100.00 €
Expected Holding Period
3 - 7 years
Fraction Price
50.00 €
Fractions
1,082

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42.70 €
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42.70 €
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1
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42.70 €

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1.

Geological Scarcity: Formed 71 mio years ago in Alberta’s Bearpaw Formation, supply is finite and tightening.

2.

Auction-Validated: Comparable iridescent ammonites have achieved up to €360,000 at auction, confirming institutional-grade demand.

3.

Museum-Quality Rarity: Large, fully iridescent Placenticeras specimens occupy premium tier in this category.

4.

Cross-Market Appeal: Straddling science, art, and design, ammolite attracts collectors across multiple high-net-worth segments.

5.

Nature’s Structural Phenomenon: Its vivid iridescence results from rare aragonite layers refracting light—an optical effect.

General information
  • Speciemen
    Placenticeras costatum
  • Age (in years)
    71m
  • Location of discovery
    Alberta, Canada
  • Size (in cm)
    48 x 41 x 5 cm
  • Weight (in Kg)
    10.3
  • Exclusivity
    Unique
Seller and property details
  • Storage conditions
    Professional storage
  • Insurance
    Insured
  • Location of storage
    Switzerland
  • Seller
    Commercial
  • Location of the seller
    USA

Asset Highlights

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