Equi - Calacatta Sculpture / BookendEqui Calacatta Sculpture Bookend It's in the interaction between two precious objects the Equi bookend and your favourite book that an element of balance comes into play. The two rely on each other so naturally that it's almost as if they're dependent on each other. They become one. That is the essence of Equi. A versatile bookend made entirely of marble or travertine, designed to subtly help or counterbalance your books and magazines. Equi can be