MMAO: Misc. PCBs... oldies, incomplete, untested

Some missing parts, all untested, unloved but probably not worthless.
If you are interested in one, some or all let me know.

There are Sega, Nintendo, Atari, Rock-Ola and Universal boards in this group
Pictures follow.
First up:

3 Berzerk PCBs (ZPU, VFB, BSC)
1 Atari AVG (Red Baron?)