Vinyl pressing

Led Zeppelin IV 1975 US Pressing (SD 7208)

Runout and matrix codes

Etched or stamped in the dead wax between the last track and the label. If yours match, you have this pressing.

ST-A-712286-MOB-side label
ST-A-712285-FF Porky MR AT/GP △16345 (4) PR (5B)Runout Side A Variant 1, (4) is crossed out, PR is upside down
ST-A-712286-CC MR △16345-XXL-4 (1) PR PECKO DUCKRunout Side B Variant 1, (1) is crossed out, PR is upside down
PECKO ST-A-712285-DD AT/GP MR △16345 (A) 2 [crossed out] PRRunout Side A Variant 2
PECKO DUCK ST-A-712286-C MR △16345-X (L-4) PRRunout Side B Variant 2
PECKO ST-A-712285-DD AT/SP MR △16345 C9X 7Runout Side A Variant 3 PR is upside down
PECKO DUCK ST-A-712286-CC MR △16345-X PRRunout Side B Variant 3