| 1544 |
The administration of Zurich attempted to impose Zurich regulations
stipulating the purity of precious metals on the other towns and cantons |
| 1547 |
The proposal of Zurich was adopted in Lucerne and perhaps also in Uri,
Basel and Solothurn. |
| 1848 |
The federal government issued a decree on the uniform standard of fineness
throughout the territory of Switzerland. The individual cantons, however,
continued to use their own marks. |
| 1880 |
A federal law on the control and guarantee of the purity of silver.
Permitted standards were: 936, 926, 900. 875, and 800/1000. |
| 1882 |
Uniform marks came into force throughout Switzerland, according to
the law of 1880. |
| 1893 |
Altered marks became valid and were used until 1934. The letter in
the shield indicated the seat of the control office. |
Switzerland