Fokker Aircraft Screw Collection Parts Airplane Aviation Vintage RARE (22.003) For Sale

Fokker Aircraft Screw Collection Parts Airplane Aviation Vintage RARE (22.003):
$8899.99

Used, trace or use, some light green deposit inside the hole, with scratches,with engraved text and numbers, view the pictures.
Text:R.258562/191Off (arrow direction)6.04063003EPD78288
Hole 2 cm.Length 11.5 cm.Width 12.5 cm (largest).Width 7.5 cm (narrowest).Weight 3.5+ kg.Material steel.
Collection object.