Derringer Corp., .22 short, long or long rifle cal. over/under derringer.   Serial #20408, mfg. Germany.  Fair condition.  3" barrels have very good bores, fixed sights.  Frame has 30% black finish with lots of wear.  Plastic grips are fair and have been coated with polyurethane.  Left grip is cracked.   Action is tight and works fine.  Should make a good shooter and carry piece for ankle or purse.