Art deco granite vase cleared with acid & enamelled

Rare---- brockwitz. "or --- val saint lambert?" -------- and pretty art deco vase, amber crystal - granite and partially cleared with acid, with an enamelled stitch decoration of orange color; in very good condition of use - see all photos of details. Height 20 cm - diameter high 15 cm and bottom 9 cm - total weight 1, 750 kg - ---.