We Offer $1,000 For a Disease Germ That Liquozone Can't Kill" - Liquozone (American Agriculturist, April 16 1904)
The pattern
This still sits in the public-domain pool. No pattern name yet.
Why it works
A staggering thousand-dollar cash challenge disarms germ skepticism. Offering a public reward for any disease microbe that survives contact provides undeniable proof of germicidal power.
Steal this when
When asserting total disinfectant dominance through an unclaimable open cash challenge.