"Burger Chef's New Mariner Dinner...Tell your friends about our great new catch."
The back reads:
A real hearty fish dinner in a hamburger restaurant? We've hooked a winner for you. Delicious deep fried sea filets swimming in an ocean of fries, served with tangy sea food sauce, garnished with fresh lemon and sailing along with our famous salad. (And that's all the salad you can eat 'cause seconds are free of charge.)
Now there's more variety in our big menu, and you've got more of a reason to see us more often. You get more to like at Burger Chef.
The inside is hand-dated in pencil, "11/17/76."