This is a "VS Unisystem" kit that was made special for Midway cabinets. Came with brand new prebuilt control panel, monitor mounts, drilling stencil, monitor plexi, marquee made for Midway cabs, new wiring harness (and power supply).
Strange that someone should put in a Nintendo monitor though. The few of these that we had all had normal video output and came with a wiring harness to plug directly into Wells-Gardner monitors!