Silver dessert spoon hallmark identification SII or IIS

1

Silver dessert spoon with twin identical marks SII or IIS.
Can anyone tell me what these marks are.

2

A picture is required. If there are no other marks it is probably not silver.

Phil

3

Hi Phil
Thanks for replying. I can confirm that the spoon is definitely solid silver and it has a very faint date of 1821 stippled on the back of the stem.
I will add photographs but I can’t see anywhere on the site to attach photos.

4

Click “Reply” and use the “Upload” icon.
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Phil

5

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6

Hi Phil
Thanks for your info on photo upload. Have now uploaded 3 Photographs.
Regards
Michael

7

Hi Phil

Have you had a chance to look at my photographs yet for IIS or SII on spoon

Mich

8

Yes, I saw them but the mark doesn’t mean anything to me so I kept quiet…