This is a mottled green 4-hole 1930s casein button.
Casein plastic was introduced at the beginning of the 20th Century. The Starting material was cow’s Milk.

Stamped Casein 4 Hole Button
£2.00
This is a mottled green 4-hole 1930s casein button.
Dimesions 42mm
Size | 42mm |
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