Dr. Thomas eclectric oil : for internal & external use. for sale by all druggists.
The pattern
This still is filed under Keepable trade card.
Define
A small card people keep (pretty, useful, or collectible) that carries the brand after the encounter.
Mechanism
Retention object. The gift is the media. Recall is paid for by usefulness or delight, not by repetition.
Verdict
We can put a physical or digital keepable in someone's pocket and they will not throw it away.
Why it works
The cute animal visual serves as a powerful hook that ensures the card is kept or collected, while the product packaging is heavily featured in the illustration itself, burning the brand image into the mind.
Steal this when
You want to create a highly collectible piece of ephemera where the product packaging is seamlessly integrated into an adorable or striking visual.