This old avertising thermometer mirror from the Tri-State flour mill of Rapid City,South Dakota measures 10.5" x 14" with a broken thermometer and has silver spots but still displays the graphics nicely.

This old avertising thermometer mirror from the Tri-State flour mill of Rapid City,South Dakota measures 10.5" x 14" with a broken thermometer and has silver spots but still displays the graphics nicely.