Retumbo w/ no lot#

I understand how to read a lot number. I am pointing out that one can has a lot number and the other one does not.But for Those that don't understand the lot number this might be helpful.
I was absolutely stunned that people who play around assembling their own ammunition had as much trouble figuring this little fact out as they seem to. The 1st container was there as a reference to show people what the law number looked like and the 2nd container clearly was missing the lot number.
 
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