Certain letter prefixes are reserved and have special meanings:
AC- New Haven Automobile Club (no longer issued)
AL- American Legion
ARC- American Red Cross
CNP- Connecticut News Photographer (now diagonal small-letter prefix)
DAV- Disabled American Veterans
DV- Disabled Veteran
MC- Hartford Automobile Club (no longer issued)
MD- Medical Doctor
NYP- New York Press
VFW- Veterans of Foreign Wars
VM- Doctor of Veterinary Medicine
YD- Yankee Division
1947 Automobile Club of New Haven.
This organization was formed in the summer of 1908, with one of its goals to eliminate reckless driving.
1958 American Legion
1999 American Red Cross
1990 Disabled American Veterans
ca. 1953 Disabled Veteran
Mid-1960s Disabled Veteran, used until it was replaced in 2001 during the general reissue.
1947 Medical Doctor? I’m not sure if this prefix was reserved at this time.
Medical Doctor revalidated to 1979
1976 Medical Doctor
1985 Medical Doctor
ca. 1990s Medical Doctor
Following this series, lead zeroes were used in the number, i.e. MD-0100
1980 Veterans of Foreign Wars
ca. 1990s Veterans of Foreign Wars
1969 Doctor of Veterinary Medicine
1958 Yankee Division
These plates were issued to members of the 26th Infantry Division of the US Army, which was formed in 1917.