Originally Posted by mafoofan
It's a much rarer material, particularly if you want high quality pieces. I've heard it does last longer, but I think that may be incidental to the fact that they require less regular care. Also, shell doesn't scratch nearly as easily as calfskin.
Originally Posted by Tarmac
Yes they last longer, in general. I have never seen cordovan crack or crumble, even 50 years old.