Wheatley Kilroy fly box, measuring 6" by 1" with 9 spiral springs to hold hooks in place. Wheatley - Kilroy patent fly boxes was the best salmon fly box invented. This box has the small Made in England, the lozenge is on it's side. The Wheatley Kilroy patent logo comes into use around 1935 and disappears between 1966 and 1977.
