Gold & Silver Testing Service – Sigma PMV Investor + Tri Electro

Accurate testing for gold, silver, and platinum items, from coins and bullion to jewelry pieces. Using both: Sigma Metalytics PMV Investor – for bullion coins and bars (non-destructive, through plastic). Tri Electronics GXL-18 – for jewelry, small items, and karat purity testing. Each test includes metal verification and density analysis to confirm authenticity. Testing will be done at 85 east liberty st.