I imagine it's some kind of ash glaze like this one (not the same potter)...
Wow,I think you are correct. That is just absolutely amazing. How did you figure that out? Many thanks!! :) Searching Findartinfo for T****...
Thamine Tadama-Groeneveld? https://en.wikipedia.org/wiki/Thamine_Tadama-Groeneveld
Nonie O'Neill Keitner https://www.lacentrale.org/en/programmation/nonie-oneil-keitner/ Now simply Nonie O'Neill, living in Ireland since the...
The yellowing of the paper has darkened the transparently painted areas while the parts where opaque white has been used have retained their...
Certainly a real person, and he's listed on the RKD database having spent most of his working life in the Netherlands....
That's definitely a misattributed piece by Jean Baptiste Valadie.
There's a certain resemblance to the work of Jean Baptiste Valadie, thogh the signature is very different and your piece looks rather more highly...
This seems to be the same artist as the skulls: "Ron Andrew"....
There are two works by H Marksteiner in the graphic collection of the University of Giessen....
Story here with some more of his work: https://www.derryjournal.com/news/my-great-great-grandfather-painted-these-100-years-before-i-was-born-119857
Probably the miniature painter A McFarland who set up on Strabane in 1831: https://www.cotyroneireland.com/surnames/mcfarland.html
Caillé sometimes painted over prints, though he may well have had the talent to make a copy from scratch:...
Another copy signed "F Caille". https://www.rouillac.com/en/lot-260-83781-dapres_jules_arsene_garnier_1847_1889repas
Is that really pottery? It seems to have a polished stone look.
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