Round white stone pot cover with a farandole of angels

Large white stone pot cover. It's not plaster! Manufacturer SIGNA origin Italy Farandole of angels all around. Weighs heavy. Signed at the edge in the mass one can read partially "signa" with a stamp It is in perfect condition. We can see in the photos two old mini shots that took the color of the stone. I didn't clean it. 36cm in diameter including 3.5cm thick.

Ref. : X4VU983D