2 Dollars - Elizabeth II (Polar Bear) specifications and ping frequencies
The 2 Dollars - Elizabeth II (Polar Bear) is a silver coin from Canada (2019–2020), weighing 15.66 g with a diameter of 32.3 mm. Tapped gently on its edge, a genuine one rings at about 4.7 kHz, 10.9 kHz and 18.7 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 | 4741 Hz · 10851 Hz · 18709 Hz |
|---|---|
| Metal | Silver |
| Composition | 99.99% silver, 0.01% copper |
| Weight | 15.66 g |
| Fine metal content | 15.658 g |
| Diameter | 32.3 mm |
| Thickness | 2.4 mm |
| Face value | 2 Dollars |
| Country | Canada |
| Years | 2019 - 2020 |
Compare with the ping frequencies of every supported coin.
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