Electric blue glass ashtray signed marc newson twentieth century design

" ashtray " design marc newson blue glass circa 1990. Available in transparent glass, black and this electric blue. Model "coast" in electric blue glass or lagoon, circa 1990. Signature engraved marc newson on the back. Very light micro scratches under the ashtray (invisible in its position of use). Diameter 18 cm, height 5 cm.