Are these original byf bakelite grips?

[Quentin]

I think these are original bakelite grips, how do they look to you guys?

I'm fairly certain they are original, the inside surfaces don't look like modern plastic. And when rub my thumb
against the inside to warm the surface, I do notice a musty smell. The material inside looks like what was used
for old pot handles or distributor rotors.

Hopefully these pictures show enough detail.

I don't see any markings inside but the eyes don't focus up close anymore!

Thanks!

Bob