Pi 3.14 Coin in Copper

★★★★★ 4.5 44 reviews

US$6.00
Price when purchased online
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US$6.00
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Free shipping Free 30-day returns

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Product details

Management number 249433390 Release Date 2026/09/07 List Price US$6.00 Model Number 249433390
Category

An irrational coin

Feeling irrational? It may be a sine to take some deep breaths and trace pi's digits by hand for a calming sensory experience.

The number pi (π) is a mathematical constant, approximately equal to 3.14159. It is defined in Euclidean geometry as the ratio of a circle’s circumference to its diameter.

Included:

  • Pi coin minted in solid copper in West Fork, AR
  • Solid Copper - 29 g
  • 1.54 in (3.9 cm) diameter
  • Antiqued patina

This heavy copper coin feels good in the hand and the pocket. The copper coin blank is pre-tumbled before minting for a smooth edge and then given an antiqued finish.

Each Pi coin comes in its own wax-sealed packaging with useful and useless pi facts.


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4.5 out of 5
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44 ratings | 18 reviews
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