How the TGS tester works:


Engineered Tolerances
Pure physics, zero guesswork
0.01mm
precision tolerance
3-in-1
diameter, thickness & weight test
100%
non-destructive verification
Safeguard your coin stack today
Pocket-sized assurance for British gold coin stackers. Protect your precious investments with immediate, non-destructive physical testing.
Sovereign Tester Tool
Pocket-sized assurance for gold stackers.
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© 2026 Sovereign Tester Tool-Engineered for British gold sovereigns.
0.01MM TOLERANCE - NO BATTERIES
