MADE IN WEST || GERMANY (no manufacturer on front).
MADE IN W. GERMANY BY PDO is etched around the center hole.
I have found this disc variation with a thinner candy-apple orange glossy paint.
These are the only two major variations that I am aware of.
Front cover of the eight-page booklet
Page seven states "Manufactured by PolyGram in Hanover, West Germany
Printed in West Germany"
Rear tray insert, "Printed in West Germany" without barcode.
"562-2" and "Europe: 252 337" are printed on the reverse.
Notes: This disc is uncommon, but can be found with persistence.
Jewel case info: (POLYGRAM) smooth frosted two-dimple case with nothing embossed on the back.
"23" is embossed on one tab, and "13" is embossed on the back portion, inside bottom center.
Eight prong disc tray embossed "Patents pending 22"