The back of the photo has a hand-written note:
"Рожд 25 июля 1927г
Снимок 5 июня 1934г
("Born 25 July 1927
Picture taken 5 June 1935
The hat says "Krasin", which was a famous ice-breaker ship back in early 30s (wikipedia), though I'm fairly certain this is just a suit and the boy has no connection to the ship.
This was purchased at a Yekaterinburg market, but the seller didn't know anything about the history of the pictures he was selling.
This picture is in the public domain.