Darning mushroom of mottled dark and light brown phenolic

Darning mushroom of mottled dark and light brown phenolic, circular base, with central hollow conical rod, rounded at tip, which screws to base, made in England by Jay, c. 1930s?

Details

Category:
Plastics and Modern Materials
Object Number:
1980-676/221
Materials:
pf
Measurements:
height 97 mm
diameter 62 mm
type:
darning mushroom
credit:
Purchase (Roger Newport)