Seigniorage was abolished for both gold and silver in 1666, when it was provided that no charge should be made at the Mint for coining and assaying.
The office of master of the Mint is held by the chancellor of the exchequer for the time being, without salary, but the actual administrative work of the department is entrusted to the deputy master and comptroller.
After Augustus the mint was finally closed.
The principal secular buildings are the castle, the mint and the arsenal.
His extreme impecuniosity made him from the first subservient to the Polish senate and nobles (szlachta), who deprived him of the control of the mint - then one of the most lucrative sources of revenue of the Polish kings - curtailed his prerogative, and generally endeavoured to reduce him to a subordinate position.
The onerous duties his work at the Mint entailed severely tried his energies, and in quitting a purely scientific career he was subjected to the cares of official life, for which he was not fitted by temperament.
Silver bullion, and the copper, tin and zinc required to make up bronze, are bought by the Mint and manufactured into coin, which is kept in stock and issued as it may be required.
In 1582 Sir Archibald was appointed master of the mint in Scotland, with the sole charge of superintending the mines and minerals within the realm, and this office he held till his death in 1608.
The reorganization of the mint alone increased the royal revenue by 210,000 gulden a year and enabled Sigismund to pay the expenses of his earlier wars.
At present all gold bullion brought to the Mint is weighed and portions are cut off for assay.