Turned up a few calls today. This is an osage call with matched and tuned nibs.
Mark
(https://farm8.staticflickr.com/7920/46887356681_5888f3cecc_z.jpg) (https://flic.kr/p/2ergXBp)003 (https://flic.kr/p/2ergXBp) by MARK ANDES (https://www.flickr.com/photos/167459488@N03/), on Flickr
(https://farm5.staticflickr.com/4829/45972634315_27e456fa28_z.jpg) (https://flic.kr/p/2d3rLw8)004 (https://flic.kr/p/2d3rLw8) by MARK ANDES (https://www.flickr.com/photos/167459488@N03/), on Flickr