Here is one used quite frequently in the police show Adam-12. It is in one scene in almost every episode. Not a very good pic but you get the idea.
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Eric
1967 C10 LWB SOLD....
1995 Ford F-250 4x4 Powerstroke, 342k
"Each generation goes further than the generation preceding it because it stands on the shoulders of that generation. You will have opportunities beyond anything we've ever known."
-Ronald Reagan