Stamped into a metal label on the component side of the board
Scratched into the board on the component side
On the top right of the board, solder side
overall: 1/2 in x 10 1/2 in x 8 1/4 in
Object is a board with various components, having 4 18-pin connectors on one side and 2 18-pin connector on the other. On the component side is a silver metal label with "dec" silkscreened in blue and embossed with A-04.