This cast iron rippled construction flag was made by Arcade during the years 1938-41. This flag is medium green with dark red. It is 2-1/4" tall x 1-3/4" wide x 5/8" deep. It has a rectangular base. Many of these signs from this time period were part of sets such as #4329 Road Construction Set.
This flag was played with. It has some paint chips. Please look at the pictures.