'Roentgenizdat' ('Roentgen publishing') roentgen film records were popular underground source for songs of prohibited but extremely popular russian performers like Leshchenko or Vertinsky, underground criminal folklore songs, foreign jazz & pop music and later rock'n'roll in Soviet Union.
Though most of soviet bone records belong to 1950s, the whole timespan covers period from late 1930s untill early 1970s. All offered for sale records are original authentic items.