The only difference was that WWII boots had a wooden nails on soles and postwar bots had brass nails. Russian size - 45, european size - 46, USA size - 13. Goo d unused condition but bootleg of one boot has some damage, it looksl like traces of a dog's fangs but no holes, it's only like a dents.
And others methods (except bank check)! USSR also more usual methods like kontakt or stream.