Snail mark, Linda Kinsman Blake Tweedbank Lilliesleaf & Smailholm Potteries

Can anyone please kindly help with this mark on the bowl listed below. The mark in the centre looks like F D?

Many thanks

Ernest

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A big, heavy earthenware jug, tin-glazed with fish decoration.  Has a slightly continental look (French? Spanish?) but the clay is browner than I would have expected (darker than it appears in the photo) and the acorn mark at the base of the handle looks as if it could be British.  But having said that, none of the acorn-type marks in the BSPM book seem to be a match.  All suggestions gratefully received.

My first thought was Spanish, or French, especially with that style of base. The only British potter I know with an acorn mark is Brenda Murray and it's not her usual mark. Andrew Mcgarva is out in France and makes similar pieces, but again not his nark; maybe a new potter?

Thank you Naomi.

Hello,

Any suggestions much appreciated. Thanks.

By Smailholm Pottery

From her website:
Linda J Kinsman-Blake, BA Hons, North Staffordshire
Moved to the Borders 1979
Established a Pottery with Rankin Kinsman-Blake :-
Tweedbank Pottery, 1979
Lilliesleaf Pottery, 1982
Kinsman Blake Gallery (Smailholm), 1995

Thank you Naomi, I'm sure you're correct. The mark looks different, but the style and decoration are spot-on. Now, I wonder what I did with the jug...?