VTG 30s-50s Casein Plastic Shank Buttons Set of 2 Brown Relief – 1 1/8” Diameter
Description:
Set of 2 vintage 1930s-1950s casein plastic shank buttons with a textured relief pattern and a rich brown and black marbled design. These buttons have a sturdy, dense feel and a slightly glossy finish.
Details:
- Material: Believe these to be Casein plastic
- Size: 1 1/8 inch (28mm) diameter
- Color: Brown with black relief accents
- Shape: Round with textured front
- Back Type: Shank
- Era: Approximate these from 1930s-1950s
- Condition: Vintage with minor wear, no major damage
Identification:
- Sinks in water (dense, early plastic)
- Fluoresces under UV light (consistent with casein plastic)
- Mild odor in hot water test (classic casein reaction)
(T-4)