"Art Ceramic Annie Palisot."
Annie Palisot (1932-2016), Belgian ceramist & sculptor, brown ceramic depicting a sphere in an embossed prism, silver glaze. Signed in hollow, around 1970. An overview of his works is visible here: https://www.anniepalisot.be/annie_palisot_creations.html L 13 CM XP 13 CM XH 7 CM. Perfect state of conservation.