London Date Letters - Silver Makers Marks
silvermakersmarks.co.uk › Dates › LondonThe date letters were changed on the day that the Goldsmith's Guild wardens were elected, originally St Dunstan's Day (19 May) until the Restoration (1660) and 29 May thereafter. The Hallmarking Act of 1973 brought the remaining 4 British Assay Offices (London, Birmingham, Sheffield and Edinburgh) into line with each other with the date letter now changing (from 1975) on 1 January each year.
Hallmark Date Letters - A Full UK Guide | BullionByPost
Call 0121 634 8060 7am-10pm, every day Hallmark date letters Precious metals, such as gold and silver, are generally too soft and malleable for practical use. They are therefore mixed or alloyed with other harder metals.