Yairi catalog that includes some of These guitars do NOT use the serial numbers for dating purposes.
Y a i r i E u r o p eīy reading the number stamped on the heel block of your Yairi, you can tell in which year it was made. Posted by Marshall Matt on Mon, 05/20/ - Hi. S Yairi steel string acoustic guitar serial number.
There was an automated Alvarez- Yairi serial number decoder but.