Since 1965, Ulyanovsk Automobile Plant (UAZ) produces vans that literally look the same since the first produced vehicle. Because of the external similarities to a loaf of bread, the van became known as Буханка (bukhanka, loaf) in Russian.
They still manufacture them today. Recently, Ulyanovsk Automobile Plant introduced new safety lock in its vans. Here is the screenshot from the official website of the plant.
And here how it actually looks like when put to the test.