Vintage waechtersbach art nouveau Ashtray geometric decor 1900s

Very rare ashtray manufactured by Waechtersbach Keramik in the early 20th century around 1900 to 1908. Off-white glaze with geometric decor in rosé. Design probably Joseph Maria Olbrich. Marked to bottom. Good condition, no damages, few slight scratches on the glaze. Dimensions: height 2 12" (6 cm), width 4" (10.5 cm), depth 4" (10.5 cm), weight 350 gms.