I'd help on this 18th century tea pot

[sunnyices2]

I did some research online but can't seem to locate this marker or the date letter, Many thanks in advance guys :)

[dognose]

Hi,

I read the central letters as 'ET' with 'S' and 'P' either side of it. Presumably the 'S' and 'P' stand for silver plated.

Can you capture a larger, sharp close-up of the bottom mark?

Trev.