Matrix label variant pressing @ MO = Monarch Records, Los Angeles, California
Gatefold sleeve. Side A written as 'One', Side B written as 'Two'.
Rockefeller Plaza address in labels

Recorded at Headley Grange, Hampshire; Island Studios, London; Sunset Sound, Los Angeles. Mfg by Atlantic Recording Corp.

Sandy Denny appears courtesy of Island Records.

℗ 1971. All selections published by Superhype Music, Inc., ASCAP.

This release was commonly referred to as 'Led Zeppelin IV', to follow in sequence with their previous three releases, but no actual title appears on the release.

Etching in Runouts 'AT/GP' translates to Lacquer Cut at Atlantic Studios by George Piros (see https://www.discogs.com/forum/thread/743281)