Pyrite Stone Round Vase signed

Beautiful piece of turned pyrite stone craftsmanship, with a graphic decoration of brown and cobalt blue oxides (reserve technique with wax). Round shape and slightly flared neck. An authentic, robust, and perfectly watertight creation. Signature under the base: Stylised monogram "L", a series of 4 or 5 incised vertical bars (workshop or batch marks) and the year 80 for 1980. Dimensions: Height 12 cm, Width 15 cm, Weight 870 g. In perfect condition.