Quote Originally Posted by LandonColby View Post
Peculiar.... maybe it's a bacteria of sorts? Or the way they process certain tobaccos.
any pictures? ...or samples? You know, for scientific research
It is just a byproduct of the fermentation process. It means things are going right inside that little tin, and it is visual validation for us fools who let tobacco's sit in our cellar's for years and years and years.

Quote Originally Posted by Horseshoe View Post
Isn't a bulging tin a sign it is in its prime? Like a done timer? Lol
That is a very good way of looking at it! It is kin of like the little red pop-up timer on your turkey

I tried to take some pictures, but it is kind of hard to see tell.



Here you can kind of see the tab starting to pop up on its own