The Quiet Kid does an ASMR session showing one of the early AK-47s produced... "Today I’m showing a rather rare example -  an early production AK-47 with a stamped receiver and a folding stock. AK production began in 1949, and this one is dated 1950. It was made in Joseph Stalin’s Russia, in the city of Izhevsk (the only city where AKs were manufactured at that time).

This AK has all matching and original parts, but the finish looks not original to me. Probably it was reblued at some point during the arsenal maintenance…"