Led Zeppelin IV-1971 Porky/Pecko Duck Pressing Unique PR & MO Listings?

$

40

Led Zeppelin IV-1971 Porky/Pecko Duck Pressing!

This is a very strange vinyl it also has PR etching for Presswell and also MO for Monarch pressing? Below is what I could find on it.

Barcode and Other Identifiers

Rights Society: ASCAP

Matrix / Runout (Side A label): ST-A-712285

Matrix / Runout (Side B label): ST-A-712286

Matrix / Runout (Side A runout, etched, [stamped: MR logo], variant 1): ST-A-712285-EE AT/GP MR ?16345 (3) PR Porky

Matrix / Runout (Side B runout, etched, [stamped: MR logo], variant 1): ST-A-712286-EE Pecko Duck AT/GP MR ?16345-X (4) PR

Matrix / Runout (Side A runout, etched, [stamped: MR logo], variant 2): ST-A-712285-EE AT/GP MR ?16345 (3) PR PORKY

Matrix / Runout (Side B runout, etched, [stamped: MR logo], variant 2): ST-A-712286-FF PECKO DUCK AT/GP MR ?16345-X PR (8)

Matrix / Runout (Side A runout, etched, [stamped: MR logo], variant 3): ST-A-712285 DD AT/GP MR ?16345 (2) PR PECKO

Matrix / Runout (Side B runout, etched, [stamped: MR logo], variant 3): ST-A-712286-CC MR ?16345-X (s?c?r?a?t?c?h?e?d? ?o?u?t?)(5) PR PECKO DUCK

Matrix / Runout (Side A runout, etched, [stamped: MR logo], variant 4): ST-A-712285-CC AT/GP MR ??16345 (1) PR PORKY

Matrix / Runout (Side B runout, etched, [stamped: MR logo], variant 4): ST-A-712286DD AT/GP MR ??16345-X (2) PR PECKO DUCK

Notes

First press matrix label variant pressing (matrix number in labels does not have any suffix, eg. like 'MO').

Similar to Led Zeppelin - Untitled with a different label matrix.

PR indicated in runouts may refer to Presswell who was known to have made metal parts for Monarch Record Mfg. Co.

Gatefold sleeve. Side A written as 'One', Side B written as 'Two'. Printed inner sleeve.

Mfg by Atlantic Recording Corp.

Recorded at Headley Grange Hampshire, Island Studios London, Sunset Sound Los Angeles Calif.

Sandy Denny appears by courtesy of Island Records.

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

Recording details not on release:

Recorded in 1971 at Headley Grange, Hampshire; Island Studios, London; Sunset Sound, Los Angeles with The Rolling Stones Mobile Studio.

except tracks A4 and B2, recorded at Island Studios, London. Mixed at Olympic Studios

except tracks A1 and A4 mixed at Island Studios, London, track A2 mixed at both Island and Olympic, and track B4 mixed at Sunset Sounds, Los Angeles.