Table II
Elemental Analysis of the Roubles
| Year | Coin | Iron, % | Platinum, % |
| 1828 | 3 rouble | Trace | 100 |
| 1830 | 6 rouble | 1.6 | 98.4 |
| 1834 | 3 rouble | 0.7 | 99.3 |
| 1835 | 3 rouble | 4.8 | 95.2 |
Elemental Analysis of the Roubles
| Year | Coin | Iron, % | Platinum, % |
| 1828 | 3 rouble | Trace | 100 |
| 1830 | 6 rouble | 1.6 | 98.4 |
| 1834 | 3 rouble | 0.7 | 99.3 |
| 1835 | 3 rouble | 4.8 | 95.2 |