Those of us of “a certain age” will certainly remember the Wrigley Field scoreboard of this vintage.
I found this photo on Cubs Reddit and if you check that out you already know the answer to the date of this photo, but I decided to sleuth it before I looked at the answer, and here’s what I found.
In 1982, Tribune Co.’s first year of Cubs ownership, they added a small electronic message board underneath the center field board, so it has to be before then. Also, you see TORONTO on the American League side, and the Blue Jays began play in 1977.