Gold Medal flour, here in an advertisement from 1954:
This ad is from 1960. I see that the label used to say "Betty Crocker's Gold Medal Flour"
And these ads (from 1969) told you that you could find recipes inside the bag for cookies and candy:
And here is the package as it appears today:
I usually buy name-brand products for use in my baking. Can't necessarily explain why - they just feel sort of familiar, somehow. Sometimes they will be on sale for about the same price as the store brands. I like Gold Medal or Pillsbury Flour, and I like C&H Sugar - I'm just funny that way.