Hi and welcome to the Barnabas factor. This listing is for an original vintage paper envelope from the business of John R. Gow & Sons of Sportsman's Repository, 12 Union Street,  Dundee (Scotland). Telephone 5427. Practical Anglers & Fishing Tackle Makers. Authorised agents for Hardy Bros., Alnwick. Estimated to date from around 1928. Scarce surviving piece of ephemera I would think. Some wear, tear and loss. Fairly mild age toning. Please see the photographs. Please see the other listed items including flies, lures and old vintage gut fishing line.  If buying multiple items please add to basket and request the total. Have many other 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 service is required. Money back guarantee on all items if deemed unsatisfactory. Buyer pays the return delivery.