Corinthia  Suggeriti da Heron2001 
Avant Garde  Suggeriti da Heron2001 
Zapfino Three  Suggeriti da frd 

I don't know the "S" - but the rest seems to be P22 Corinthia Regular weight

CLUB

PS - because it's a logo - perhaps the "S" was modifed from the Corinthia S.

"S"

Wow - nice eye for that S Fred.