Here's one of mine: a Kellogg's Cereal / Hanna-Barbera co-production for kids to use when writing home from summer camp, featuring the stars of The Huckleberry Hound Show
: (left to right) Yogi Bear, Huckleberry Hound, Pixie, Mr. Jinks, Dixie, and Boo Boo.
Even though this is an American postcard, I didn't want to limit the topic by posting in the U.S. Picture Postcards forum. There's a whole world of cartoons and comics out there.
What do you have in your