I took a different route to a place I've driven numerous times, and was rewarded for doing so.
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Going through a small town I'd never heard of, Shiro, Texas, I drove right by this:
What's really cool about this one is the use of the presence of the Sprite Boy character. This would help to date this sign from either the 1940s or 1950s. Sprite Boy was created in 1942 to introduce the name "Coke" and to help the consumer associate Coke with Coca-Cola.
Closer to home, but on the same route and same trip, I pulled over in Groveton, Texas, to get a shot of this, at a different time of the day than a previous time:
My experience here in Texas is that Dr. Pepper ghost signs are much rarer than Coca-Cola's, so they're nice to find!