Symbol from popular game - World of Warcraft
Material - buffalo horn
Engraving technique - Scrimshaw
In short, the Scrimshaw technique is applied to the polished surface of the bone (in this case, buffalo horn) drawing with a needle through the points and scratches, and then all filled with paint (oil paint), the excess paint is removed, but stays at the points and scratches, this is how you get the image...
This piece measures 1,65 inch or 42 mm long