Nicely figured Tasmanian Blackwood (Acacia melanoxylon) bridge blank.
Classical/Pyramid rough dimensions 200mm long by 30mm wide and 13mm thick.
Steel String rough dimensions 185mm by 45mm by 13mm
Blackwood is a good looking light weight alternative to heavier ebony and rosewood bridges. We've wiped the blanks in the photo with a damp cloth to show the figure.