Can You Help Me Identify This Button Material?

[SDIceMan]

Hi all. I found a 'large' bag of matching buttons while cleaning out an estate. Large as in 1000+. Are there any button experts that care to venture an educated guess as to their composition? I couldn't feel any seams so I was leaning towards ruling out plastic. The button face is polished smooth and the reverse has sort of a parallel grain. Thank you in advance.

 

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[BARKER]

Hi; I believe it is 1950's Bakerlite Button. It is Valuable. Look up Bakerlite Buttons for more info ok. PEAE:RONB