You can often identify where a Warwick was made by checking for specific prefixes: en/Warwick--Support--Serial-Number.html
: July | H : August | J : September (the letter "I" is skipped) K : October | L : November | M : December How To Read Warwick Serial Numbers
The location of the number has shifted over time based on the production era: : Found on the top edge of the headstock. You can often identify where a Warwick was
Indicates the month the instrument was built. How To Read Warwick Serial Numbers