Printed in solder at the insertion end of the board
Stamped into the aluminum face of the board
Stamped into the alsuminum side of the board
overall: 1/4 in x 4 1/2 in x 7 in
The object has a green board with various components surrounded by an aluminum frame and a blue plastic connector. There are eight potentiometers on in a column on the board as well as many yellow resistors.