Invalid ladies : this is for you : burdock blood bitters.
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 charming, innocent visual of a healthy child in nature contrasts with the serious, problem-oriented copy on the back, softening the medical pitch and catching the eye.
Steal this when
Use a disarming, pleasant visual on the front to ensure a medical or embarrassing pitch on the back gets read.