For those of you wondering if the costco deal was legit : r/Gold
The PMV Original Bullion Set includes: The PMV Original Base Unit The Small wand The Large wand The Bullion Wand Charger Case 2 Year Warranty PMV
Sigma Metalytics Original Bullion Set SM1501
3 Wand Sigma Metalytics Precious Metal Verifier Bullion set - SM1501S2
I made a bluetooth Sigma Machine (precious metal conductivity verifier)! Details in comments. : r/Silverbugs
How to use a Precious Metals Verifier
Sigma Metalytics Precious Metal Verifier Original with Small, Large & Bullion Wand
Precious Metal Verifier
Counterfeit Silver Eagles -OR- How I Got Seven Free Fake Silver Eagles and You Can Too! : r/Silverbugs
US9922487B2 - Device for use in detecting counterfeit or altered bullion, coins or metal - Google Patents
The Sigma Metalytics Precious Metal Verifier PMV PRO with Refiners Wand / Small Wand Open-Box (Lightly Used)
The Sigma Metalytics Precious Metal Verifier Bullion Set Open-Box (Lightly Used)
Sigma Metalytics Precious Metal Verifier (w/3 Wands)
Sigma Metalytics Precious Metals Verifier
Sigma Metalytics Precious Metal Verifier PMV Test Bullion Set - SM1501