Hi Ben,
An unique characteristic of the Richmond Depot made 2nd National flag that sets it off from the other depot patterns was the white edging that went all around, enclosing the blue cross. The Staunton Depot 2nd National flags were made with the ends of the blue crosses open, like most Confederate flags and how the official specs dictated. Besides the Patton flag previously mentioned two other Staunton 2nd Nationals were Early's & Rhode's HQ flags.