Interesting that the mail-in address was a P.O. Box in Beverly Hills instead of 1416 N. LaBrea.
I had a few of these innersleeves too along with the revised 6BHere's another one. This one is labeled "6a" and is just a bit different from "6b", posted a few pages earlier. The dog image is the same. This one was inside SP-4573, Nils Lofgren, CRY TOUGH. Notice that some images have little QUAD CD-4 logos added either in the cover image or just below.
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Harry, my copy of Wings(4281 also) has the sleeve that you posted on May 4 (with the boy in the field).
That is true. I have seen different sleeves in copies of Look Around and Fool On The Hill when I got them after wearing out my first copies.I'm of the firm belief that these record company innersleeves were thrown into an album somewhat randomly. A certain series might be used and when one version ran out, the next in line would do. It probably also varied by the pressing plant.