LicensePlates.cc

Massachusetts Boston Red Sox

Plate Reporter Date
JF
366V
Patient First 4/27/24
JF
346J
Patient First 2/02/24
JF
2923
Sam Farley 7/29/14
JF
2220
Tyler Rotondo 8/11/11
RS
39WA
Jim Hough 4/28/07
JF
366V

After the R/S 123A format was exhausted, the series progressed to R/S12AB.

It appears that J/F1234 is the new series for Red Sox plates, at least for October. All Sox plates have "Jimmy Fund" on the bottom since that is where the proceeds go - so a J/F prefix makes logical sense.