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Madrid Mint · Spain
Spanish Gold 25 Pesetas Alfonso XII
0.2334 troy oz — 90% Gold, 10% Coppergolddiscontinued
Spanish gold coin featuring King Alfonso XII. Contains 7.26g fine gold. Minted 1876-1881 at the Madrid Mint.
Physical Specifications
| Mass | 8.065 g |
| Troy Ounces | 0.2334 oz |
| Diameter | 24 mm |
| Thickness | 1.3 mm |
| Edge | reeded |
| Purity | 90% Gold, 10% Copper |
| Fineness | 0.9 |
| Density | 17.2 g/cm³ |
| Face Value | 25 ESP |
| Series | Peseta |
| First Minted | 1876 |
Authentication Reference
Use these values to verify an authentic Spanish Gold 25 Pesetas Alfonso XII. All tests can be performed with a digital scale, callipers, and the EON ping tester.
Weight
8.065grams
Use a 0.001 g digital scale. Calibrate first with a known object (a €2 coin = 8.50g).
Dimensions
Diameter24mm
Thickness1.3mm
Use plastic callipers (not steel — avoid scratching). Or use the camera tool with a bank card as reference (ISO 7810: 85.60mm × 53.98mm).