1 oz Silver Australian Kangaroo specifications and ping frequencies
The 1 oz Silver Australian Kangaroo is a silver coin from Australia (2015–2026), weighing 31.1 g with a diameter of 40.9 mm. Tapped gently on its edge, a genuine one rings at about 3.7 kHz, 8.7 kHz and 15.2 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 | 3673 Hz · 8652 Hz · 15231 Hz |
|---|---|
| Metal | Silver |
| Composition | 99.9% silver, 0.1% copper |
| Weight | 31.1 g |
| Fine metal content | 31.069 g |
| Diameter | 40.9 mm |
| Thickness | 3.5 mm |
| Face value | $1 AUD |
| Country | Australia |
| Years | 2015 - 2026 |
Compare with the ping frequencies of every supported coin.
How to Spot a Fake Kangaroo
Counterfeit 1 oz Silver Australian Kangaroo coins are increasingly common. Use the acoustic verifier above as your first line of defense, then check these key red flags:
- 🚨Incorrect weight (should be exactly 31.1g)
- 🚨Wrong diameter (should be 40.9mm) or thickness (should be 3.5mm)
- 🚨Flat, dull sound instead of bell-like ring on ping test
- 🚨Magnetic attraction (genuine silver kangaroos are not magnetic)
About the Kangaroo
The Silver Australian Kangaroo bullion coin has been produced by the Perth Mint and the Royal Australian Mint. It features the iconic kangaroo on the reverse with designs that change periodically. As a .9999 fine silver coin, it is among the purest silver bullion coins available worldwide.
Authenticate Your Kangaroo on the Go
Download Pingcoin for iPhone or Android to instantly verify your Kangaroo and other precious metal coins using acoustic authentication.