I bought these calls in the mid 90's at the Charleston South Eastern Wildlife Expo. I don't think the initials on the wing bone call are the call maker. They might be from the artist.
I have since lost the information that came with the calls. Any help identifying them would've most appreciated.
(http://i1325.photobucket.com/albums/u625/JIRLand/02338a282f212ea93b2c230d91da88ea_zpsf0736876.jpg)