Vintage Sargent Dustless Blackboard Crayon tin. "Sargent Dustless Blackboard Crayon. Art Crayon Co. Inc. Brooklyn, N.Y. USA. Sargent Art's Material, Copyright 1935." The tin shows wear and marks throughout as well as a few dings in the tin here and there. Some of the worn areas show some light surface rust. It measures 6" x 3 7/8" x 3 5/8". Please pm me for additional pictures.
