Comparison of the 2 labels differences; 1st pressing on the left which most noticeably has the following differences from the later issue on the right:
1. Executive Producer: Peter Grant
2. ‘2401002’ catalogue number has no gaps or hyphens
3. Central white band is parallel
4. Publishing credits ‘Warner Bros. Music Ltd’
the later issue also mis-names track 2 as ‘Celebration’ instead of ‘Celebration Day’ as well as deleting the Peter Grant credit and moving Jimmy Page’s producer credit into the lower ‘plum’ segment. The publishing credit has also dropped the ‘Ltd’ from Warner Bros. Music.
There is another version of the later pressing with all of the above changes but without the ‘Celebration’ error.
The earliest matrices for this album are A5/B5. Page was said to be unhappy with the first few test pressings and rejected them in favour of the 5th pressing, hence the earliest matrix you’ll find on either side will be A5 and B5. There are later matrix numbers. Also interesting is that the matrix was hand etched throughout and also includes the infamous Aleister Crowley quotes on either side:
Do What Thou Wilt
So Mote It Be
a complete 1st press should have the Peter Grant credit, hand etched matrices with both quotes as above.