Specifications:

• Campagnolo Nuovo Record rear derailleur
• Model 1020/A
• 1981 MY
• V4 version with hollow rivets
• Comes in original box
• NOS, new in box Campagnolo rear derailleur in original box. May have some minor evidence of shelfwear from storage, though the only thing of note appears to be some small cracks in the pulley wheels from age (see photos).