Hello! Thanks to all for the help! According to the KTB the conversions were made by the Waffenmeister Stabsfeldwebel Anton Brunnthaler of the Werkstattkompanie 653 who was a skilled man and loved to do such experiments. He made this 2cm Vierlings T-34, a Bergepanther with 2cm Vierling and 2 T-34 am...