That's better than mine (both my original "circulation" find[1] and the ex-jeffrose coin that was probably
his circulation find).
The 1955-S is the lowest mintage in late wheats (in fact, it's the lowest mintage of
any non-variety business-strike US cent since 1940 - for comparison, the lowest mintage
after 1955 is 2009-(P) Presidency[2]). However, it doesn't have anywhere near the status deserving its mintage, and viewed in the wheat series as a whole that mintage isn't even particularly low, so I doubt it would ever be valuable

still, I certainly would've kept this one!
[1] by which I mean, it was given to me by people who know I collect but who themselves aren't interested at all, and probably found it in circulation
[2] which I, coincidentally, also have as a similar "circulation" find - my uncle gave it to me in December 2009