Yeah, always blows my mind to see history so clearly and ordinarily. I've seen these before and they're still great, still have a familiar sense to them but definitely clear of whole layers of Soviet-era culture that Russians are so used to.
It's actually pretty fascinating irrespective of culture. I found these equally incredible for example:
http://www.retronaut.co/2010/06/smiling-victorians/
http://www.retronaut.co/2011/10/victorians-smiling-ii/