Unknown hallmark on silver spoon

Hi all, is this possibly a 17th/16th century English sterling silver spoon? There’s no date letter, but maker’s mark that I can’t decipher.

The style says 18th century to me as does the form of the lion passant punch. I suggest that the maker’s mark is most probably this London WT mark (upside down in your picture) which I have seen with date letters for 1762 to 1764:
WT-3

WT is likely to remain unknown as there are a couple of registers of marks around this period which have been lost and destroyed, namely the 1739-1758 Smallworkers’ Register and the 1758-1773 Largeworkers’ Register.

Phil

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https://www.silvermakersmarks.co.uk/Makers/London-WT-WZ.html#WT