Usually found on the back of the headstock , though it can sometimes be difficult to see on older models.

He rubbed the metal in slow, circular motions. The gime began to lift. He squinted through the loupe. The metal was scratched, a chaotic web of lines.

How to decipher the year numbers on a Maton guitar? - Facebook

Note: Maton's production year traditionally begins on August 1st. Vintage Era (Pre-1990s): Sequential & Simple Date Codes How to decode Maton guitar serial numbers?