Claude Romain is a second brand from Butz-Choquin.
From Pipes, Artisans and Trademarks, by Jose Manuel Lopés'
Claude Romain is a French brand created in 1979 by the Berrod-Regad group for the German market. The name was fromed from Romain (founder of the Condat region in the 5th century, which corresponds to Saint-Claude today) and Claude (a 7th century bishop who gave his name to the town Jura). Stamp Claude Romain, and Made in France. Symbol: CR