Continuing my Giant Prop stroll through the late 1950’s, today’s entry will cover just two issues so that I can get out the door for an extended weekend of frolicking. But the big news is the discovery of what may potentially be the first use of a Giant Prop. Of course, I have to modify my definition of what is a Giant Prop to get there, but see if you agree with me Treadmillers.174. Giant Boat and Fish From Batman 18, Robin Studies His Lessons!, by Joe Samachson, Bob Kane and Jerry Robinson, c