Vintage Ashtray Isamu Kenmochi blue & chrome (Pat. Pend.)

Collector! Vintage ashtray from the 1960s/1970s made of hard blue plastic and chrome metal. This is an iconic piece of Japanese industrial design, designed by the famous designer Isamu Kenmochi. This model is part of the renowned Tower Ash trays series, known for being stackable. Space age/Mid Century. Stamped on the base with the inscription PAT. PEND. 4018039" and the original Japanese characters. In generally good condition, see photo for normal signs of use inside the ashtray. Fast and careful shipping.