Parker 51 Clip Screw (Jewel) o ring THESE WORK GREAT AT FLEA

THESE WORK GREAT AT FLEA MARKETS or wherever you pick up pens

so you may have to hold the pen barrel vertically and insert the assembly upwards into the barrel

and explanation of things needed to write with a quill from cutters to inkwells to sealing wax applicators

The butyrate washer dissolves on top of the O-ring and glues it in

The ink colors selectable are red

Parker 51 Clip Screw (Jewel) o ring THESE WORK GREAT AT FLEAVERY GOOD REPRODUCTIONS OF PARKER 51 JEWELS (REFERRED TO MORE PROPERLY AS "CLIP SCREWS" IN PARKER SERVICE MANUALS). These photos were shot from 3 different angles so you could detect the iridescence in the grey silver swirled plastic. For comparison purposes, about half the jewels in each photo are reproductions and about half are original Parkers. These have the smaller of the two thread sizes that 51 clip screws came with, although most 51s used