Beware cheap ammo

Was reloading some magazines for my G19 for range practice. I bought an ammo box full of 9mm "factory reloads" from some cheap mail-order place, or maybe at a gun show a few years ago.

I already had one cartridge jam in the gun - the case was swollen about 2/3 of the way down from the mouth. Today, I found this:

Notice anything strange about the one on the left?

I'll never again buy bulk ammo loose in a can, let alone "factory reloads". Not worth the possible disaster.