If anyone is interested I have a Herb Hornstra Trumpet Yelper for sale on Ebay with a starting price of $200. I am selling because it's a duplicate and I need to make room for some new additions. It's in excellent condition.
http://www.ebay.com/itm/321372933752
(http://i1235.photobucket.com/albums/ff439/mwrhusker/DSC00633_zps1e09ec3c.jpg)
(http://i1235.photobucket.com/albums/ff439/mwrhusker/DSC00634_zps9e359360.jpg)
(http://i1235.photobucket.com/albums/ff439/mwrhusker/DSC00640_zpsb9b29612.jpg)