Enamelled sandstone jug signed vintage

Large jug (or decanter) in vintage sandstone, circa 1960. Enamelled decoration of pearl gray color with effect of white drips. The sandstone remained raw at the foot. Side handle and spout. Model signed on the reverse in hollow ml or mv, unidentified. Beautiful model with a brutalist look, makes superbly to accommodate a bouquet of flowers. 21 X 21 cm. 13.5 cm in diameter. Clean, fast and neat shipping or hand delivery to paris / reims / laon.