Red earthenware pot with impressed gate mark for ID

A red earthenware pot with some gold lustre decoration. Some age, but not a great deal, in my opinion.
The mark is impressed with what looks like the letter X with an arrow either side coming off it.
This came with a job lot of other pieces, some British, some European.
Any help with ID welcomed, thank you.

I've come across the mark several times but not managed to ID it. The animals (Ibexes?) points to a European or African origin

Thanks Naomi, very grateful. Not surprised to be honest, much of what came out of the latest case has turned out to be European.