Alexandr Akhmadeev wrote in and sent these wonderful images of three of his collection of celluloid based 40's - 60's Soviet records.
The inscriptions read: 'Sokolsky', (Konstantin Sokolsky, a forbidden artist popular on x-ray bootlegs) 'Sinyaya rapsodia' or Rhapsody in Blue, (a version of the Gershwin piece) and 'Domino' (possibly as in 'Fats Domino'). On the last record there is another inscription, which Alexandr assumes is the last name of the x-ray's patient.
'I consider X-ray records as an extraordinary phenomenon of the Soviet culture that should be saved for the next generations'
Thanks so much Alexandr.