Quote Originally Posted by Joe Chandler View Post
My understanding is that the thinner scales are more modern, while the thicker ivory scales are older, as there wasn't such a premium on it, and it was easier to come by.
Sure.

And I just spoke from my experience - the "modern" Dovo, Maestro, and Robert Williams ivory scales I have seen are thicker than what I have on all my vintages from various brands (Helje, J Rodgers, Smith & Hawksley, etc.)

Cheers
Ivo