U.S. Divers Conshelf 21 Regulator 1st and 2nd Stages

Pre-owned U.S. Divers Conshelf 21 Regulator 1st and 2nd Stages.  Both stages have been tested and are in working condition, no leaking.  There are cosmetic scuffs from normal previous use.  All ports are plugged on the 1st stage (4LP, 1HP).