Vintage Joe Colombo pipe by Butz-Choquin, <1970 design. Wide bowl flattened both on the bottom and at the front, so it can stand either way. Designed by Cesare “Joe” Colombo, famous Italian industrial designer and pipe smoker, † 1971.
Marked on the front: Butz-Choquin, OPTIMAL, des(ign) J Colombo.
Marked at the bottom: SELECTION, St.Claude, France, modèle déposé.