Two Pairs of Petrified Wood BookendsArizona Two pairs of petrified wood bookends. The first, a pair titled "Caterpillars", with bark texture to the edges displaying various hues of earth tones such as burnt sienna, brown, dark brown and tan, measuring 8 x 6 x 2 in . Together with a second pair, titled "Monster", which are polished all around, measuring 13 x 6 x 2 1/2 in . (4) Property from The Tom and Frances Bayless Collection of Petrified Wood, Agate and Geodes: The Tom and Frances Bayless Collection of Petrified Wood represents four decades of collecting and showcases numerous beautiful and functional petrified wood specimens from classic localities such as Arizona, Oregon and Washington.