Mr. Andy Wayne would be who I'd ask, he has one of the most extensive collection I've seen. Here are some pictures of his S6/M6 side by side.

[Linked Image from i6.photobucket.com]
[Linked Image from i6.photobucket.com]
[Linked Image from i6.photobucket.com]
[Linked Image from i6.photobucket.com]
http://s6.photobucket.com/albums/y209/andywayne/Knives/Swamp%20Rat/?start=all


JYD #56 Scrap Yard Sword Club #00