@ar47, I was referring to vertical tins. I only had two of them in old days (2010-11), HDT and Santo Domingo. HDT tin was intact, but Santo Domingo corroded after six months and contaminated the snuff so bad I had to ditch it (half of the tin). I wanted to save the tin, but I didn’t manage to scrap off corrosion neatly. Here’s the image of only slightly corroded tin (not mine) - note those pale-yellowish “pimples” on the rim:
