Ithaca Model 66 Super Single, 20 ga. single shot shotgun.  Serial #660702842.  Excellent condition.  28” vent rib barrel has shiny bore and 85% original blue.  3” chamber, choked MOD.  Receiver and lever have very good original finish with some fine scratch marks and edge wear.  Laminated stock and forend have excellent original finish.  Gun locks up tightly.  These are great single shots – rare with vent rib.  Unique!