This card entitles you to a dainty sample tin of Dr. Tibbles' Vi-Cocoa free ... / Vi-Cocoa, Ltd.
The pattern
This still sits in the public-domain pool. No pattern name yet.
Why it works
Vi-Cocoa drove mass trial by distributing free sample tokens in newspapers and mailers, redeemable at local grocers. Sampling allowed customers to taste the malt and kola nut blend risk-free, converting free trials into paying pantry habits.
Steal this when
Steal this when offering risk-free sample tokens through local retail partners to overcome sensory skepticism and drive trial.