The following cover and three stories (Yogi Bear, Yakky Doodle, and Snagglepuss) all come from Yogi Bear No. 5, Oct.-Nov. 1961. The artist is unknown (Harvey Eisenberg?).
I had the milk mug from the first ad when I was a kid. I wonder if my mother sent away for it? If so, good going, mom! Regarding the bike ad, some day I want to put together a coffee table book of comic book bicycle ads. They were always so beautifully cool.