<HTML> <HEAD> <TITLE>Steinway D Plate</TITLE> </HEAD> <BODY> Hi Jurgen- This was begun around 2004. When I was in NY for the Damper Seminar I saw one of the first ones in the basement. This was also about the time that C & A pianos began being done in polyester. Regards- David David C. Brown Arizona State University School of Music Piano Technician 1-480-965-6760 david.c.brown.2@asu.edu </BODY> </HTML>