The box dates from 1938. (Plastic turtle pictured below for scale.)
Box images courtesy of David Welch's Childhood Memorabilia via PEZDUDEWELCH.
The turtle was promoted as one of thousands of prizes to be won in the "Big Contest" put on by the Dietz Gum Company. The inside of this gum wrapper not only mentions Lucky but also shows an illustration of the Dopey decal.
Wrapper image via Comics Galaxy.