Comparison betwen this famous gold coins, Sovereings, Alfonsinas and 1/4 Krugerrands 25 pesetas of Alfonso XII of Spain (Alfonsinas) Goy. .900 Diamenter: 24.09 mm Total weith with copper: 8.08 gr. Gold: 7.272 g Edge: 27 flowers of lis Sovereing Weight: 7.988052 g (0.2817702 oz) (calculated from original definition; the Coin Act 1971 rounded the standard to exactly 7.98805 g (0.281770 oz).[3]) Thickness: 1.52 mm (0.060 in)[5] Diameter: 22.05 mm (0.868 in)[6] Fineness: 22 carat = 916 / 1000 ( 2/1000[3]) Gold Content: 7.322381 g = 0.235420 1/4 Krugerrands Diameter22.06 Lenght1.888 Total Weigh8.482 22 karat 91.67% Gold7.776