Smilodon, aka sabre / saber toothed tiger
Smilodon was just one of a number of sabre toothed cat species and is the Californian State Fossil. Many of their fossils have been found in the La Brea Tarpits. They became extinct about 10,000 years ago.
Approximately 1 1/4 inches (3.2 cm) wide, 5/16 inch (0.8 cm) deep and 13/16 inch (2.0 cm) tall.