I have seen this post from "Athena" Pinside member
https://pinside.com/pinball/forum/topic/mythology-by-martina-clash-of-the-titans#post-36
I have restored the same Pinball in 2016
Mythology (MYTOLOGY) 785
this is a wide Body pinball , Inside the ref. is Rocky #672 and SN=03172
It is fully functional and based on SYS80B electronic
just the bumper caps are abnormal (not in phase with the subject!!!)

see images

good partys...
L.P

PC041536 (resized).JPG
PC041537 (resized).JPG
PC161566 (resized).JPG

Rocky_#672_PROMversion (resized).JPG

Yes you are right.Sys80A but not B...
Gottlieb delivered pinball Electronic and mechanic but not fully terminated...
Martina french society finish the work . Metal over the body , playfield & backglass and so on
Specificity: see the gramatical error on Mythology explanation rules : Mytology
We find thé same error on each other pinball...