Cassin

Hook: Mustad 3399 or 3906, sizes 12 to 6.
Thread: White Danville Flymaster 6/0 to tie the body; switch to black
Danville Flymaster 6/0 to tie the head of the fly.
Tag: Flat gold tinsel.
Tail: Scarlet duck quill and peacock sword fibers.
Body: Yellow floss.
Rib: Gold tinsel.
Wings: Yellow duck quill segments.
Hackle: Brown.