I came across a set of antique Gibson guitar strings.
There’s no date on the box. Thinking about how to figure out the date, I don’t ever remember Gibson strings at the guitar store since I started playing in the late 1970s. (Long time!) The graphics on the box suggest a time between 1935 and 1965. The text on the box says that they make strings for guitar, steel guitar, banjo, mandolin, ukulele, and electric bass. The newest of these instruments is electric bass, which didn’t become popular until the 1950s.
They were a gift from the fine albeit curmudgeonly mandolinist Tom Marion. Thanks, Tom!