Tennessee - Interstate 55, U.S. Highway 61, U.S. Highway 70

These three shields were all on the same post in Memphis. A second post held I-40, US-64, and US-79. The shields were replaced in 1963.
Photo by Jake Bear

This interstate shield is 24x24 inches.
Photo by Jake Bear

The two US route shields both have what appears to be 6-51 written on the back.
Photo by Jake Bear

Photo by Jake Bear

Photo by Jake Bear

Photo by Jake Bear