Hi Philip,  Here's the information Thomas posted at Player-Care.com:

 Company Name: Musikwerkstatt Monschau
 Explanation of rolls offered: About 23 different systems
 Web Address: www.maesto.com
 Email Address: mwm@maesto.com
 Mailing Address: Musikwerkstatt Monschau
 Street: Rosental 4
 City, State: Monschau, Nordrhein-Westfalen, GERMANY
 Post Code: D-52156
 Phone Number: 0049-2472-5122
 FAX Number: 0049 2472 4845

Musically,
John A Tuttle
Player-Care.com
Brick, New Jersey, USA