Wacan Gas-Smoke Dispersion Tool Folder,8-1/2" x 11"with 4 pages.The covers are shown.There are 4 pictures of the Wacan in action on the inside pages and the statement "The Wacan Grenade holder was developed by a task forceCommander.Wacan eliminates "throw back".Provides complete control at all times.It must have been all hype,I can't find any trace or reference to it anywhere.My guess is Ca.1960-70. Excellent Condition