Exeter silver spoon year 1845

This is a lovely spoon with Exeter hallmark. I am so excited to find this spoon in an antique fair in Sarratt. It has a hallmark that I have never seen before: an Exeter hallmark!

What a lovely Exeter hallmark there is! There is a Victorian head mark which is a Duty sign. My husband told me that it is an import mark. Meaning that the spoon probably is sold to other country. There is also letter i, for year 1845. The marker mark is J.S probably John Stone?

There is also an engraving perhaps someone initials?

I really love this Exeter hallmark! And please have a look my other post, I also bought a pouncer pot.