Graphic Dump looks like space invader characters

Main Board labeled in copper...
JTT-012C

Daughter board labeled in copper...
	JTT-012 COLOR-3

All ROMS 2708

ROMS had stickers on them labeled 1,2,3,4,5,6

8080 processor on main board
4116 x 8 on main board

Lots of rework on back...looks like it was done to add the daughter board