Which famous beverage company's logo contains a hidden national flag within its design?

Many iconic brand logos contain subtle design elements that often go unnoticed but carry significant meaning. These clever visual tricks can include hidden messages, symbolism, or optical illusions that reinforce the brand's identity or values. Test your knowledge about these secret logo elements that demonstrate the brilliance of brand designers who create multilayered visual identities that work on both conscious and subconscious levels.

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Pepsi (the colors of the American flag)
Corona (a Mexican eagle in negative space)
Toblerone (the Swiss bear hidden in the mountain)
Guinness (the Irish harp silhouette)