The Dark Side of the Moon All CD's from the European Union All of the Dark Side of the Moon CD's
Catalogue Numbers: 
7243 582136 2 1 (on case spine and rear cover).
7  24358 21362  1 (barcode on rear cover).
F:PM 554, UK:582 1362 (on rear cover).
LC 0542 (on rear cover).
7243 582136 2 1 (582 1362) and LC 0542 (on CD).
European Union
Matrix info: 
Under (outer): 50678867/5821362-2 03  ????   Barcode
Under (inner): 50678796/5821362-1 D 02  ????   Barcode
Under (pressed on inner ring) IFPI 07C4
General Comments: 
This is a Hybrid Super Audio Compact Disc SACD.
This info lifted from the site Brain Damage.
The first layer contains the album playable on any CD system. The second includes a high resolution stereo version, plus a 5.1 surround sound mix that plays on SACD-compatible DVD players and home theatre systems. Both layers employ SACD's Direct Stream Digital (DSD) encoding process that samples the music 64 times faster than CD for unprecedented sound quality.
Remaster. 30th Anniversary Issue. Issued in a standard case with a clear inlay to show artwork behind. Includes a sticker on the front cover, Sticker Details and a deluxe full colour booklet and a clear inlay with a picture behind. Includes a SACD Logo on the rear cover and on the CD itself. "Made in EU" printed on the rear cover and on the CD. This Disc suffers the same problem as some other SACD's with the layers "splitting" near the centre. Click the SACD logo below for more information about Super Audio Compact Discs.