Dating tiffany silver marks
There was a simple reason for this seemingly Draconian behaviour in that the manufacture of silver and gold was allied to the minting of currency.
On the occasion of the Assay Office’s bicentenary in 1973, Birmingham struck a special anchor with a ‘C’ on either side of the stock, to indicate two hundred years.
Because of possible confusion with the Crown mark used after 1798, (as the hallmark for 18ct gold), the Sheffield assay mark was changed on January 1st 1975 for a rose.
Which had incidentally, been used as the gold assay mark for Sheffield when the Assay Office was first entitled to test gold, after March 1st 1904.
Scottish hallmarks have been regulated by statute since 1457 but the earliest known example dates only from 1556 to 1557.
The Incorporation of Goldsmiths of the City of Edinburgh was thought to be in the 1490’s and the earliest surviving records date from 1525.