Indicates the month the instrument was built.
The location of the number has shifted over time based on the production era: : Found on the top edge of the headstock. How To Read Warwick Serial Numbers
A standard Warwick serial number (post-1988) is broken down into three main sections: Indicates the month the instrument was built
These 6 digits are an internal continuous production number unique to that instrument. How To Read Warwick Serial Numbers
You can often identify where a Warwick was made by checking for specific prefixes: en/Warwick--Support--Serial-Number.html