Sizes of the blanks will vary between each design.
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The copper blanks are a standard grade of copper. The grade of silver is 950.
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eBay
Supplied in 25g quantities. Transparent colours produce different effects depending how they are layered.
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50g / 100g / 250g / 500g Mixed Copper Off cuts – C101 Grade – Made in the UK.
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eBay
Supplied in quantities of 25g.
eBay
The copper blanks are a standard grade of copper. The grade of silver is 950.
eBay