AG2012 wrote:......But, were the measurements so precise at the time ?
......
It should be noted that St. Petersburg the assay office was created on the basis of the new St. Petersburg Mint. The St. Petersburg experts were the best.
AG2012 wrote:......But, were the measurements so precise at the time ?
......

Qrt.S wrote:@Dad,
Unfortunately I cannot find/I don't have the Decree 7517 of February 22, 1732) where it is stated that the silver fineness could be 75 zolotnik. Nonetheless, 75 was applied for gold coins only (1718). During the 18th century there was many "standards" for silver 62, 70, 72, 77...The 75 was, as said, for gold. In general, the 17th century's marks are rather "messy". Would you mind showing the decree 7517? It would be of interest to me. Thank you in advance.


Qrt.S wrote:In addition, most likely the customs brought it there. In other words an imported object.
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