From the RATEC Collection..
(https://www.actbus.net/forum/proxy.php?request=http%3A%2F%2Factbus.net%2Fgallery%2Fvar%2Fresizes%2FHistory%2FTicketing%2FACTION%2520Moneysavers.jpg%3Fm%3D1420711176&hash=1d980e7429945aeed9f1dfbaffe8a93aeb3e0c32)
They were the days, my friends.....
Not mentioned in those lists is the "Shoppers' Special" (lunch hours only) ....$1 from memory, and the little known Parliamentary Zone Specials, also $1 over the 12-2pm lunch period.