Wow this is a first to see a Telefunken Studio 1M and with it's original box.
Check it:
https://www.ebay.com/itm/TELEFUNKEN-HI-FI-STUDIO-1M-Legendary-boombox-in-original-box/142633524332?hash=item21359edc6c:g:SYQAAOSwa3BaPWxJ
Check it:
https://www.ebay.com/itm/TELEFUNKEN-HI-FI-STUDIO-1M-Legendary-boombox-in-original-box/142633524332?hash=item21359edc6c:g:SYQAAOSwa3BaPWxJ