Search:

Appears to be on the outside from the pictures. If you can feel a definite ridge in it with some depth with your fingernail just simply fill in with a very fine wood filler and let dry the use a...

You have a picture of the crack you can post. If it is not all the way through maybe a reputable fine grain wood filler then sanded down would be the ticket.

Seems to be one piece where you can easily see the uneven paint line someone did on the brush. Looks like a barber's styled brush to me which I have started making a few.

I would start with 400...