M74 is the Russian5.45 X 39 round. Why the can is also stamped 7.62 is a puzzler.
Definitely not 5.45.
That's 7.62 x 54R. Copper washed steel case, light bullet. Made at Novosibirsk.
Anyway, here you go. Have at 'er... Decoding Soviet Military Surplus Ammunition Labels
Regards, Jim
???????!
(I copied and pasted 'thank you' in Cyrillic and it came up question marks,)
Spasibo will do.