Third Guinea
The Third Guinea was a small British gold coin issued under George III. It is a historic 22 carat gold type and may show variation due to age, wear, clipping, or mounting.
| Country | |
| Mint | |
| Period | 1797–1813 |
| Metal | Gold |
| Type | Coin - |
| Weight | 2.8g |
| Purity | 0.9167 |
| Diameter | 17mm |
| Category | Gold Coins |
| Tags | Gold Coin |
| Contributor | admin |
| Added | May 27, 2026 |
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Excellent library! Very accurate test data for Canadian Maple Leafs. Helped me verify several coins with confidence.
Great reference data. Would be nice to have more variations from different years, but overall very useful.