Like I say, it's your collection so add to it and collect what you like. You're the only one that determines what goes into your collection.
Reckon thas' goodenuf. It's about the only special thing about that coin, but still, finding an S-mint coin in circulation is kinda fun. I got a '74-S cent the other day. Didn't keep it, but thought, "Huh. There's an S-mint. Cool."