| Diameter |
| 1834 – 1944: 16mm 1937 – 1967: 22mm |
| Weight |
| 1834 – 1944: 1.41g 1937 – 1967: 6.80g |
| Composition |
| 1834 – 1920: 0.9250 silver 1921 – 1944: 0.500 silver 1937 – 1967: nickel-brass |
| Diameter |
| 1834 – 1944: 16mm 1937 – 1967: 22mm |
| Weight |
| 1834 – 1944: 1.41g 1937 – 1967: 6.80g |
| Composition |
| 1834 – 1920: 0.9250 silver 1921 – 1944: 0.500 silver 1937 – 1967: nickel-brass |