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I'm sure I'd be unable to find the thread if I tried, since it was in the old BST, but I was previously told that the No 1, Satin, and Gold blades were made from the same steel while the Wonderedge...

Still poking around, looks like you're right Dog:
http://straightrazorpalace.com/auction-talk-ebay-etc/12262-dubl-duck-lifetime-straight-razor.html

EDIT: Don't want to make a million posts. More...

Ah, interesting. I had thought there was some difference between them and that they were two different razors... or that one preceded the other (one was developed off another).

From another...

Oh right, there's also the Dwarf. Not sure where that would go for price, maybe about the same as the #1.

Ah, and the Style edge; I believe these are only 3/8. Not sure where they would go...

The Satinedge falls in just above the Number One. There is also a Satin Wedge, which I guess would fall into the same place; I don't think I've heard of any other wedges. Then there's also the...