For recent models, you can refer to the serial number to easily date your guitar. The first two numbers give the year of manufacture, the next two the month and the next two letters the place of manufacture (eg: 2105LT00657 describes a guitar manufactured in May 2021 at the Lâg factory in Tianjin). For older models, it is very difficult to get as much information from the serial number. You can always do some research and refer to the old catalogs on our site.