This engine that went 84,000 miles without an oil change (not pictured, their angry dad saying "I told you so.")
Bless you.
Time for this little cranky pants to leave the closet!
It's VAZ-2106. It could be 2103 too, which is predecessor, but it seems to be 2106.
thnx!
It came in the curiosity box by VSauce.
https://hellosubscription.com/2020/02/the-curiosity-box-by-vsauce-winter-2019-su
bscription-box-review/