I read a few rumors that the Centurian is the same blend as the My Father Special S (the one with the large S, not the small S). Anybody know anything about this? from the information I can find it looks like the big S might be given out at Pepin events and the small s given out with box purchases from vendors?!? I purchased a bunch of stuff from Famous once and they gave me a 3 pack of the small s.
Large S:

Small S:
Both side by side: