1964 Crown of Crowns Liebfraumilch Wine Ad - Why the odd-shaped label?

This is a 1964 ad for a Crown of Crowns Liebfraumilch Wine! The size of the ad is approximately 3.5x5.5inches. The caption for this ad is 'Why the odd-shaped label?' The ad is in good overall condition, with some light wear. This vintage ad would look great framed and displayed! Add it to your collection today!