QR code scraped off and some flimsy black stuff not even taped on - WTH ??!!

[ghostwriter66]

I've come across cells that have a different code hidden below the code. (and 2020 is hidden, and on top of 2018, judging by the code

YES ... often times if one vendor is running low on a supply then he will borrow from another vendor within the same umbrella company -- and then simply change the labels .. many just scratch or remove them ... getting a 2 year old LiFePO4 should be no concern ... as long as it arrived charged and can pass a capacity test ....