The artifact is a two-sided printed circuit board, with a connector on bottom edge and metal reinforcing strips on the other three edges. Three inspection stamps are on the component side, and one on the solder side.
Identifying Numbers
Other number
ERNI 7321 Adelberg
Printed in blue on connector at bottom edge
Other number
N-DY 4 .709-01 DZb
Embossed, solder side, lower left corner
Other number
N-DY 4 22.1003.709-00
Printed on white label, component side, lower right corner
Other number
N-DY4 22.1003.709-01 DZb
Embossed, component side, lower left corner
Other number
N-DY4 22.1003.709-03 DZ
Silk-screened in white, component side, lower left corner
