antique door hardware, old Corbin mortise locks w/ ornate brass face plates

Lot of old box and mortise door locks, one with ornate iron and two with ornate brass face plates. We didn't see any markings on these, though the look like Corbin locks to us.

These locks are incomplete (hardware is just as shown, we have no keys) and in rough condition cosmetically. We'd expect these would function fine after a good cleaning and oiling.