Adman Grandstand(1981, Grandstand Leisure Products)
The Adman Grandstand, manufactured by Grandstand Leisure Products in 1981 was originally released in New Zealand and then went onto enjoy moderate success in Europe. The system is a ROM-cartridge based console based on the Fairchild Channel F chipset.
CPU: Fairchild F8 operating at 1.79 MHz (PAL 2.00 MHz).
RAM: 64 bytes RAM, 2k VRAM.
Video: 128 × 64 pixels, (102 × 58 pixels visible).
Audio: 1 Channel – 500 Hz, 1 kHz, and 1.5 kHz tones.
Considering how rare these are, if you are a collector, they can be picked up quite cheaply.