Old soda cans
Pepsi -1978 – source
7up – Maybe between 1972 and 1976 -source
Mr. Pibb – I haven’t found a date as yet, if I do, I’ll update.
I used to drink soda from these types of cans as a child. Those pull tabs are razor sharp and, yes, you could probably kill someone with one. I had many sliced fingers as a child too.