GrandDad Hull had a Hebrews 10:31 attitude about cattle thieves.
Texas and Southwestern Cattle Raisers Association whose name added some authority to the white letters on blue warning painted on the heavy gauge sheet metal. These signs often bore scars showing that firearms and/or reckless teens were abundant.
A caring Dallas resident in the 4000's of Avondale has a modern plastic yard sign requesting motorist's to drive slowly to protect a child whose play area is close to the street.
This fella from west Texas isn't quite as tactful.