One old used barrel complete with mainspring, winder pin and friction rim in good condition for Roskopf pocket watch (19" I think)

Barrel dimensions:

- main spring barrel external diameter  25,7 mm x height 4,2 mm

- outside diameter of barrel teeth  27,2 mm

- small pignon diameter / second gear diameter  5,3 / 16 mm of the barrel cover

- winder pin lenght 10,6 mm

no factory marching and serial number

cleaning and polishing is required

see photographs by enlargement