Here is an osage orange howler voiced with a Yellerdog toneboard. The call is 5 1/2" long and 1 1/2" across the bell. The call has a 5/8" bore with a flared bell. Price $25 shipped.
(https://forum.finsandfur.net/proxy.php?request=http%3A%2F%2Fi261.photobucket.com%2Falbums%2Fii57%2Farmyturner%2Fcalls001.jpg&hash=539f275a9e5dd8d622b61cb7338c7d98760da6bb)
(https://forum.finsandfur.net/proxy.php?request=http%3A%2F%2Fi261.photobucket.com%2Falbums%2Fii57%2Farmyturner%2Fcalls005-1.jpg&hash=5d0f701f31e97c093c298ca8c2a3606f744455db)
wow amazing looking call