Pieces with the scale control mark cannot be earlier than mid- to late-1970s.
Date Letters Although no longer compulsory, British hallmarks typically include a letter to indicate the year when a piece of silver was assayed.
Initially, Andrew lived in the South of England, travelling the country, searching for items of silver to buy.
The statute made it the responsibility of the Wardens of the Goldsmiths' Guild to mark all items of sterling standard with a leopard's head stamp.
In Great Britain, silver hallmarks were introduced in the 1320s.
Cast marks are almost always blurred with impressions of uneven depth.