serial number help needed!!!

[matt_e_hyde]

I can't for the life of me work out how the Gibson serial number works! I've read the guide on their website but its just confused me to be honest. Can someone please decipher my serial number to tell me what les Paul I have? Cheers guys. Serial number is 01904536

 

[lespaul01]

Guitar InfoYour guitar was made at the
Nashville Plant, TN, USA
July 9th, 2004
Production Number: 236