Paperweight, anyone know the maker please?

I can't identify the maker from the etched mark, it's C..C or O. I think it has some age looking at the scratches and wear on the base. Sorry the photos are not very good, the white line is a fluorescent strip light and it's picked up the texture from the towel and canvas board I placed it upon. It's nearly 3 inches high. Thanks for any info.
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I see several on etsy and ebay advervisted as signed ciic.
One says Caithness scottland.

 

CIIG is a Caithnsess seconds mark, it didn’t make the cut.

 

Thank you.

 

u can be quite the gem sometimes !!!!!

 

Thanks everyone, looking closely there are a few errant bubbles so I'm not surprised it's a second. It was a jumble buy so didn't cost much.

 

Thanks for that, I couldn't find an example of the mark anywhere, probably because I thought the i's were L's

 

Yup - the Caithness seconds are either acid etched CIIG or hand written as ciig.

 

Thank you.