This is a PMD Sparkle Dun in a size 16 on a Firehole Stick hook.
Shuck is Zelon
Abdomen/thorax is a mix of Blue Ribbon Flies? Zelon dubbing and some superfine dubbing.
Wings are upright bleached deer hair.
https://preview.ibb.co/et1NiJ/6_F612...59799_B824.jpg
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