"Picked up" ?? From where ?? Does not show anything that can be traced to a particular culture !! What kind of wood ?? Light, heavy ?? Can we get a pic of the back too ??
If you look closely at the lines on front you will see vertical lines behind it and some circular areas along the line !! This happens frequently when using a Dremel and going across the grain of the wood !! I have used one a time or two and this is a common thing to happen !!