Ultrasonic testing of fake silver bar
23:55
Update On The Recent Sigma Precious Metal Verifier Test Video
18:17
SCARIEST FAKE Gold Bar that I've EVER seen! How to Identify Fake Gold!
16:33
Think You Have FAKE Silver? Here's How I Test My Silver Coins!
2:17
Ultrasonic Thickness Testing for Gold
13:03
Fake Apmex silver bar. Investigation & conclusion.
8:19
Density Test- Measure specific gravity of gold and silver jewelry.
2:34
Using an Ultrasonic Thickness Gauge to Test a Real and Fake 100oz Engelhard Silver Bar
18:24