Back to Coin Database
Royal Mint · United Kingdom
Gold Quarter Sovereign
0.0589 troy oz — 91.67% Gold, 8.33% Coppergoldcurrent
Modern fractional sovereign introduced in 2009. Contains 1.83g fine gold in 22-carat alloy. Smallest coin in the sovereign family.
Physical Specifications
| Mass | 1.997 g |
| Troy Ounces | 0.0589 oz |
| Diameter | 13.5 mm |
| Thickness | 1.1 mm |
| Edge | reeded |
| Purity | 91.67% Gold, 8.33% Copper |
| Fineness | 0.9167 |
| Density | 17.5 g/cm³ |
| Face Value | 0.25 GBP |
| Series | Sovereign |
| First Minted | 2009 |
Authentication Reference
Use these values to verify an authentic Gold Quarter Sovereign. All tests can be performed with a digital scale, callipers, and the EON ping tester.
Weight
1.997grams
Use a 0.001 g digital scale. Calibrate first with a known object (a €2 coin = 8.50g).
Dimensions
Diameter13.5mm
Thickness1.1mm
Use plastic callipers (not steel — avoid scratching). Or use the camera tool with a bank card as reference (ISO 7810: 85.60mm × 53.98mm).