Original ACS colors were Natural and Cognac Burst (according to Michel -customer service at Godin) designed for higher stage volume without feedback, because of the thick maple top design. Introduction of the Multiac Nylon ACS-SA ( Acoustic Synth, Synth Access) …. So, looking at 99025147 from right to left, it was the 147th guitar built that week, on a Friday(“5”), the second week(“02”) after Aug. The last three digits “ 147” means it was the 147th guitar built that week. The fifth digit “ 5” means the guitar was built on a Friday (1=Mon, 2=Tues, etc) This means it was built in the 2nd week following August 1, 1998. The next two digits “ 02” represents the week of that “production year” that the guitar was built. In other words: Godin’s year “1999” included the last five months of 1998 together with the first seven months of 1999. So a “1999” model was built sometime between Augand July 31, 1999. It’s Godin’s “production year” running from August 1st to July 31st. The first two digits “ 99” represents the year the guitar was built. Some from ’96 have the 8-digit stamp on the back of the headstock) Around ’93 Godin was transitioning to their 8-digit serial numbers.
