Huge Soviet padlock from the early 80s, made by Serj Ordzonikydse factory in Moscow.
It costed 7 Rubles which was expencive at that time when we know that average monthly income was 150 Rubles. So it is huge tho but it is preety easy to pick open. Factory specification says that this lock have only 2000 key combinations so all of the bittings were bad.
In this video im showing you how to pick it open.The shape of the keyway makes it a bit harder but nothing special if you have narow thin rake and correct tension wrench.