Pattern request - Professor Cash?

[LadyFisher]

This one from an angler from Scotland who was fishing with Tom Travis today - he is not a tier.
Do you know this fly?
Appreciate the help *S*
LF

[BadBug]

Professor Cash (England) - page 542 of Perrault's dictionary under Salmon fly patterns.

Hook: Size 12-2/0
Tail: Long bronze mallard fibers
Rib: Gold or silver, fine, flat
Body: Hare's ear fur, brown, with long guard hairs
Hackle: Bright brown at throat
Wing: Woodcock. Gray duck in larger sizes
Head: Black lacquered

Dennis - ~BadBug~