Context on this?

Not trying to rile up anything with this. Was found on r/interestingasfuck but can't find contact on it. Not in the comments nor in my own search attempts.

https://www.reddit.com/r/interestingasfuck/s/ugHj5qZpdh

Anyone have anything on this? A link? Article? Time period? Anything concrete? Hope this doesn't violate any sub rules.