Originally released on Vertigo Swirl (allegedly on Friday 13th 1970...or is this urban myth?), as with the record label design itself, there are minor differences that help you spot the very first edition of this gatefold sleeve...
Band member names and production
credits are all in CAPITALS...
No publishing details or
Printing error on copyright notice: states "Copyright subsists in all Stereo recordings." Should state "in all Vertigo recordings."
2nd version of the inner sleeve;
Band members and production credits are now all in lower case, Composer credits now added, Copyright notice corrected to "Vertigo Recordings"
Subsequent issue sleeves with WWA and then NEMS logos replacing the Vertigo logo: