Those are all too small. I think it's a wooden Indian Club bell. They are used in old Time Strong Man training (think old fashions circus strong man acts) and training for juggling acts.
Comparing it to the couch in the back ground of the picture, it's about the right size and shape to be a hand made one.
http://en.wikipedia.org/wiki/Indian_clubs
http://www.oldtimestrongman.com/indian_clubs.html
http://www.youtube.com/watch?v=tly6gGE4Xus&feature=related
http://www.youtube.com/watch?v=KIj3dUyi1S0&feature=related