||E 1400 1042 DW REV D
||The number is stamped along the bottom right hand edge of the back of the panel.
overall: 21 1/4 in x 21 1/4 in x 7/8 in
The record contains a square panel. The front is blank. On the back of the panel is a raised edge. There are two indented brackets mounted to the right and left raised edge of the back of the panel.