I think i got a CGA CRT Monitor. Also with the Computer and Software for 80€. It is a Highscreen DS-1468. Sadly someone cut the Power and Data cabels off. I hope
Highscreen 386 - Gallery - MCbx
Cherry G81-3081SAF [Highscreen] - deskthority
Restauro PC Vintage #2 - Vobis Highscreen Sky Mini - YouTube