Size 12?either a large Flav, or a small Western Green Drake

https://i.ibb.co/x5Qs6L7/70-C060-D1-...83-B377-E8.jpg
https://i.ibb.co/CMQgKwd/66-BE1-DB4-...ADDDCAF0-F.jpg

Another beauty , Byron,

Thanks, Oldster! Sure worked for us on The Ranch of the Henry’s Fork in the second and third week of July.