Big 1940s Flourish of a Brooch Early Thermoset Plastic

Full of dynamism, creamy white vintage thermoset plastic brooch.
This moulded material was popular in the 1940s to mimic the look of  much more expensive ivory.
The pin on the back has been fixed with heat setting..make it very secure.
6.5cm long, 2cm wide.
I just have 1.