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3D3DNiobium sheet scrap.
The maker of the above coin from Viinamarisaar included this nice little bit of niobium sheet to show the type of material his coins are stamped out of.
Source: eBay seller b-turner
Contributor: eBay seller b-turner
Acquired: 24 February, 2007
Text Updated: 24 February, 2007
Price: Donated
Size: 0.5"
Purity: >99%
Niobium