This mark F D Chauvigny is the mark of the Deshoulières company. Deshoulières is now the number one French porcelain manufacturer with it's 3 brands: Deshoulières, Porcelaine de Sologne and Apilco.
F D stands for Fernand Deshoulières, born in 1886 in Chauvigny a commune in the Vienne Department of Nouvelle Aquitane of Western France.
With this particular mark there is a stylised LD above the shield of Chauvigny. This is Louis, the son of Fernand named after his great grandfather who founded the company in 1838 with his brother in law Jean Bozier who was a potter. Louis, with his father, purchased the Apilco brand in 1935. It is hard to find this mark with the LD online and hard for me to date it. I know Yves Deshoulièrs was director from 1966 so this mark must date between 1935 and 1966.