In reply to Monotype Greek 90:
See
http://www.polytoniko.org/fonts.php?newlang=en
Search for Greek 90
You will find
These fonts are used by Atelier Fluxus Virus for typesetting, they are not distributed in any way. The names we give are those of traditional Greek typography; between parentheses we provide also the name of the corresponding font in Monotype machines.
Looking at the font, it would work set hot-metal, printed letterpress. If it were digitized without tremendous skill, it would be unreadable.