This is another of the groups I wrote to in the early 1970s. They responded with information on the formation of the organization. Their packet contained some Annual Dinner Programs and pages from their newsletter. Illustration one has one of their short histories.
The badge in illustration two is the only type I have seen. From its construction, I guess the badge to be 1920s-1930s manufacture. When first organized, they had officer titles such as President, Vice-President, etc., but changed later to National Commander, Vice-Commander, and so forth, to align with existing veteran societies. The basic membership badge is the only badge I have. Do not believe they had officer badges, but an individual veteran may have borrowed a title bar from another society and attached it to his badge. On the national officer level, it is possible that jeweler made presentation badges exist, but I have never seen one in a display or dealer's case.
This was a great organization of men who did a lot and saw a lot, but now even their memories are gone.