Gold 1 oz Panda specifications and ping frequencies
The Gold 1 oz Panda is a gold coin from China (2016–2026), weighing 30 g with a diameter of 32 mm. Tapped gently on its edge, a genuine one rings at about 3.8 kHz, 8.6 kHz and 14.9 kHz: its first resonance frequencies, set by its metal, size and thickness. A counterfeit made of a different metal, or with a different weight or thickness, rings at different frequencies, which is what the ping test above checks.
| Ping test reference frequencies | 3766 Hz · 8564 Hz · 14852 Hz |
|---|---|
| Metal | Gold |
| Composition | 99.99% Au, 0.01% Ag |
| Weight | 30 g |
| Fine metal content | 29.997 g |
| Diameter | 32 mm |
| Thickness | 2.3 mm |
| Country | China |
| Years | 2016 - 2026 |
Compare with the ping frequencies of every supported coin.
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