One of my students has a Conn trumpet...either Rose Brass bell or Coprion...made in Japan...my question...when did Conn have Japan make it's trumpets? Thanks.. Serial number is 72122 Warmest regards, Bob Romans, 1617 Lakeshore Drive, Lodi, Calif., 95242 PH 209-747-1148 www.cellblockseven2002.net