However, the Nomad is considered the rarest Tri-Five Chevy model, especially ones from ... As of this writing, Classic.com shows 197 sales of 1955-57 Nomads over the past five years, at an average ...

The '57 Chevy is one such vehicle ... on to become on to become known by that shortcut. Among Chevy's offerings in 1957 were the Nomad, 150, Suburban, and Corvette, to name a few.