MADE IN WEST GERMANY BY POLYGRAM.
Note the catalog number on this variation is 979030-2 / (79030-2)
These are the only two disc variations that I am aware of.
Front cover of the booklet
Back cover, "Printed in West Germany" with UPC.
Only known back cover.
Notes: Like all Nonesuch target discs, this is quite uncommon, though it is
slightly easier to find than most.