You need to check With Tom W or Jim Gilmore as I think there were only 6 or 8 GPWs that came off the line as Army and were refitted to 12v by Ford for the USMC for use in Washington DC.
There was also one 1943 Radio GPW but it was for the Army with USA number of 2097102, or so the documentation I have says.
There were also 653 1942 GPWs that were for the Army... transfered to the USN that may have eventually gone into USMC service. These may have only USN as a hoood number... maybe Jim or Tom know what the story is on these jeeps also.
Any other GPW was somehow transfered from the Army to the USMC and painted in the field.
MB-NAVY-MZ-1 352625 - 07/20/44 (DOD est.)