Among postcard collectors who specialize in social history, the genre of card you see here is known as a “walker.” “Walkers” are comparatively rare and frequently are real-photo cards.
People around the world are very loyal to their favorite brands. This is especially true when it comes to beverages. Here in the USA, five American drinks are always in high demand, but it took a very perceptive Brit to bring our loyalties to our attention. Thank you, Mr. Martin.