With its logo placed in the well of the Erwin pattern, we believe this was used by the Knights Templar, and possibly by the Worth Commandery No. 19, located in Fort Worth, Texas.

From the Wikipedia, "The Knights Templar is an international philanthropic chivalric order affiliated with Freemasonry." It is open only to Freemasons who believe in Christianity. "A local Knights Templar commandery operates under a state-level Grand Commandery, however American commanderies also operate under The Grand Encampment of the United States. This is unique among American Masonic bodies, as most report to the state level alone."