(internal #DF-361-3), One slice of genuine DINOSAUR leg bone, measures 4" long x 3-3/8" wide x 3/8" thick. Specimen has a nice color, weighs 8 ounces. From UTAH's DINOSAUR VALLEY. GENUINE DINOSAUR LEG BONE SLICES From the Morrison Formation in Utah. This formation covers 600,000 square miles over several states, the most fertile source of dinosaur fossils in North America. These bone specimens date back to the Jurassic Era, 155-148 million years ago. It has a unique dot pattern, keeping its original pattern though it petrified into stone as jasper and agate as it fossilized. Comes with full information card. Shown natural/dry. Can be final polished or varnished with clear polyurethane or clear fingernail polish with brush or spray to show the distinct dinosaur bone pattern color the best as a display item or as jewelry. WE SHIP WORLDWIDE, see the chart for postage to your country.