Blue Parkesine disk with concentric design

Blue circular Parkesine disk. Concentric raised design on upper surface including a wave pattern and a ring of dots. White bloom. Marked P109. Made by Alexander Parkes; c.1862.

Details

Category:
Plastics and Modern Materials
Object Number:
2011-115/93
Materials:
parkesine (xylotile)
Measurements:
overall: 2 mm, 66 mm,
type:
medallion - medal
credit:
Plastics Historical Society