Mini Collectible Plate RS Lennep Deutscher Rontgen-Museum Church 3.75" Across.  This is a miniature collectible plate. On the back it has printed RS - Lennep and Deutscher Rontgen-Museum. It measures about 3.75" across and shows the museum in the foreground and a church in the background. Appears to be either dark brown and white or black and white. MINT condition.