Hawaiian Punch - A favorite of mine where you had to punch a hole in top of can with can opener to get it out. I remember being so excited when it I could find it in a pop machine in a can! Early 80's??
Green Stamps you earned them from your grocery store....my Mom used to collect them and cash them in for merchandise after she accumulated so many. I remember her having a paper grocery bag full and books in it as well that were already filled up. Back then it was really something