I have recently open a bottle of Spanish un-oak Tampranillo.
It smell like rotten egg. But slowly fade off with time in the glass. I
smell the cork but it smell fine. It's the first time I've tried un-oak
Tampranillo, just wondering is it normal or the wine is corked.

Question, How corked wine smell and when the wine is corked, does the cork
itself smell bad too?
I've drunk many wine and I've never encounter faulty one before.