Wine Cork Coasters Is Dirt (i Think It's Dirt) On Wine Cork Normal? Should I Return The Bottle?

Is dirt (i think it's dirt) on wine cork normal? Should I return the bottle? - wine cork coasters

I bought a bottle of wine, Merlot 2001, and thus opening the bottle, cap it waste, and I think it would be a waste, so long will be saved. But I also know he looks, is it possible? (I'm new to the wine) Well, it's 2001, but it should not, for something to be?