Is there anyway of telling the difference between an original 1966 combat field pack set 93635020 and the 40th Anniversary Edition? I have been told that the first few off the production line in 2006 had Palitoy on them and that became a copyright issue so it was removed and replaced with Hasbro 2006. Apart from this is there any other way to tell the difference as the first few were produced with Palitoy on them in 2006. Any help would be appreciated.