This Colt Super .38 is one of the very rare 400 Super 38's that were under a U.S. Government Contract. As seen in the factory letter this pistol was shipped to the OSS Fowler Building in Rosslyn, VA.
This OSS 38 Super has the factory Swartz firing pin safety Safety system. On the left side of the frame you will see the inspector mark "G.H.D" for Brigadier General Guy H. Drewry. On the right side of the frame you will see the ordanance wheel behind the right grip panel.
Unlike their commercial counterparts, these pistols had a few specific manufacturing requests. Note the Coltwood plastic stocks, grooved mainspring housing, grooved slide stop and stamped trigger.
This pistol was in the same shipment as this OSS .38 Super.
Accompanying this particular pistol is a factory sealed case of 900 Cal. 38 Ball Super Ammunition.