Hi and welcome to the Barnabas factor. This is for an original Kingfisher Butcher loch and sea trout fly that was tied by the late Mr.T.Clegg  for Yesterday Tackle & Books in the 1980's.  In unused excellent condition. The fly comes with a letter of provenance from Yesterday Tackle and Books.  The recent letter is written in hand by David Dobbyn of Yesterday Tackle and Books  whilst the letterhead itself is a photocopy. The late Mr. Thomas Clegg was a very knowledgeable gentleman as regards flies and fly tying. He invented the daylight fluorescent fly, wrote a small number of booklets about flies, is mentioned in a number of books and contributed to The Fishing Gazette. Please see the other listed items including a Yesterday Tackle and Books catalogue from 1992 on ebay.com-the USA site, Yesterday Tackle and Books photographs by Ray Walton from this catalogue, a vintage float or bobber, an unusual Hardy Byers Leak Tackle unused in the original packet, Bruce and Walker Richard Walker Carp Hooks, two Sowerbutts hooks, unused in their respective packets, vintage gut, lures, ephemera, packets, postcards, other photographs, Winfield Woolworths flies and other flies, items from the late Peter Peck, a Lledo model for Fox's Glacier Mints, four very old UK postal history front covers, two watercolours which are signed V.S.Addison and two watercolours by Brian Brogan of Sheffield.  Have many items to list.  Please save me as a favourite seller if you would like to. Combined shipping on request. Zero extra delivery for multiple light, slim items when sent together unless a signed for delivery is required. Money back guarantee on all items if deemed unsatisfactory. The buyer pays the return delivery unlessthe listing was incorrectly described.