Hallmark is L&S with Anchor Lion D
Photo of the hallmark would would be more help in identifying the maker and year as the lozenges they are housed in determine their identity too 
Need a photo. Not all āDāsā are created equal - for Birmingham (the anchor), that letter could be any one of a number of years, spanning over two centuries.
https://www.silvermakersmarks.co.uk/Dates/Birmingham/Date%20Letters%20D.html
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