In MO you can run YOM tags. The DMV registers them as personalized Historic Vehicle license. I was going to do this on my '73 Mustang until I found out they were Historic license and limited to 500 miles/year.

-Tim
'51 Chevy 3104 w/'56 235, 848 Head, HEI Dizzy, Corvette Cam, Split Manifold and Dual Carter YF's