Josh's Coins
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3:06
Testing Gold Bullion Coins with Sigma Pro PMV - Gold Eagles, Maple Leafs, Sovereigns, & More!
Josh's Coins
29 views • 4 months ago
0:42
Can You Use a Sigma Precious Metals Verifier to Test Sterling Silver Flatware?
Josh's Coins
114 views • 4 months ago
0:52
Direct Acid Test - Sterling Silver vs Silverplate Reaction
Josh's Coins
266 views • 4 months ago
0:56
Direct Acid Test - Fake Gold vs Real Gold Reaction
Josh's Coins
396 views • 4 months ago
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