Old Spoon Identification Needed

British Silver What is it?
1

Looks old, possible handmade? But has some hallmarks, etc.

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marks.jpg

2

S3 is 1824 on this Swedish piece of silver.
LH is maker Lars Hessling 1775-17999 (1800)
Why his mark + year S3 - I have no idea.
Town is Linköping

Town gives no mistake - and maker same