Don’t forget the green stamps!
Oh Man i forgot that - what about Shell Presidents Coins - I got em all!
and Free Air
In the 60s in hs, I worked part time at a Sinclair station in Cleveland. They had sales promotions like a free box of laundry detergent or sometimes free dish towels. Also I remember some kind of off brand soda pop as a giveaway item for a fill-up.