Mullen Serial Numbers
G2
Discovery
Fun Facts
If the first letter is:
G-G2
S-Semi Pro
MG-Discovery
M-Royal Precision
H-Official HWP model
Royal Precision
Pre Royals
If your serial number is not in these ranges it was more than likely built anywhere from the early 70's to early 80's This would include the rack and barrel models and the guitar named Royal instead of Mullen