Ok you guys, here it is. Of course it does not come with software but you're smart enough to reverse engineer?
https://www.ebay.com/itm/Mikrokolor-Color-Interface-for-a-TRS-80-RARE/143255136222?hash=item215aabe7de:g:4LkAAOSwMrJc3X97&frcectupt=true
- [M100] The Holy Grail: Mikrokolor Color Interface on Eba... David Szasz
- Re: [M100] The Holy Grail: Mikrokolor Color Interfa... John R. Hogerhuis
- Re: [M100] The Holy Grail: Mikrokolor Color Int... Stephen Adolph
- Re: [M100] The Holy Grail: Mikrokolor Color... Stephen Adolph
- Re: [M100] The Holy Grail: Mikrokolor C... John R. Hogerhuis
- Re: [M100] The Holy Grail: Mikrokolor C... Mike Stein
- Re: [M100] The Holy Grail: Mikroko... Kurt McCullum
- Re: [M100] The Holy Grail: Mik... Mike Stein
- Re: [M100] The Holy Grail:... David Szasz
- [M100] The Holy Grail: Mikrokolor Color Interface o... Wayne Lorentz
