PARKER 21 SUPER DEMONSTRATOR FACTORY TEST PIECES autographed These fit BOTH of the

These fit BOTH of the Waterman's CF ballpoint releases from the 50s and the ones from the 80s

Clicker Jotter

Turban top with a convex (domed) clicker top

and natural holders

Spanish language version of Pen Repair by Jim Marshall

PARKER 21 SUPER DEMONSTRATOR FACTORY TEST PIECES autographed These fit BOTH of theThese were probably used by Parker to evaluate some aspect of the 21 design. Each pen has a clear demonstrator type shell. Both have lustraloy caps with chrome trim and have not been used outside the Parker factory. Never catalog items. Each pen has a number hand scribed on the filling unit like some other non production collections I have seen of former Parker employees. #4937 has the number "42" scribed onto the filling unit and #4938 has the number