Where to find the matrix number
Tilt the record under a bright light and look at the run-out area near the label. You will usually see a string of letters and numbers, sometimes stamped by machine and sometimes scratched by hand. Check both sides, as each side has its own matrix.
On a Beatles Parlophone pressing, for example, the matrix might read something like 'YEX 749-1' with additional tax codes and a stamper letter, while an Atlantic Led Zeppelin pressing carries its own distinct format. The exact characters vary by label and country.
What the codes actually mean
The core matrix usually combines a catalogue-related prefix with a suffix indicating the stamper or cut generation, such as -1 for a first cut. Lower numbers generally indicate earlier, more sought-after pressings.
Around the core code you may find pressing-plant identifiers, mastering-engineer signatures (such as an RL for Robert Ludwig), and country-specific tax or rights codes. Together these pinpoint when and where the record was made.
- Prefix: links to the catalogue or master series
- Suffix: stamper or cut generation, for example -1, -2, -3
- Plant and engineer marks: identify the factory and the person who cut the lacquer
Why matrix numbers help you spot fakes
Counterfeits often get the matrix wrong because forgers copy it photographically rather than cutting it into the metalwork. The result is a flat, uniform-depth etching with no hand-scratched character, or a matrix that simply does not match the documented original for that release.
By comparing the matrix you read against the verified entries on Discogs, you can confirm whether your copy matches a genuine pressing. A matrix that contradicts the catalogue number, or one that does not appear in any documented original, is a strong sign of a fake. For a deeper breakdown of decoding matrix codes by label, see the full matrix numbers guide.