I recently acquired this unworn size 44 duo tone ELC B-3. It appears to have been made several years ago. John Lever may be able to date it with accuracy. Unlike the current ELC house B-3s, it does not have a Crown zip, but a robust repro Talon, with an original M-42 slider which I added. I have been on the look out for a repro B-3 to wear this winter as my original B-3s are too valuable to wear regularly. I really like duo tone B-3s and this one is very comfortable to wear.