Larkin Company Trade Catalog, 'A Stunning Foulard Gown Which Won't Cost You a Cent' (cover)
The pattern
This still is filed under Guarantee stack.
Define
Several guarantees, each aimed at a different reason not to buy, stacked so residual risk is named and removed.
Mechanism
Risk subtraction. One clause answers what if it breaks. Another answers what if I don't like it. The stack is the argument.
Verdict
The offer is unfamiliar or expensive
Why it works
The headline pairs desire with the removal of price in a single line and holds the qualifier back to the second, smaller line, so the reader is already picturing the gown before she meets the $10 condition. The long specification copy - net yoke laid in fine tucks, two rows of Venice insertion, three-inch hem, exact bust and skirt measures - does the job a shop assistant would do, and that specificity is what makes a free thing believable rather than suspect. The close reframes the whole offer: the gown represents what you save by dealing with us, so it is not a gift but the buyer's own recovered margin. Stated stock sizes, four colours and a fit guarantee clear the last obstacle to ordering a dress unseen.
Steal this when
Use this when a premium rather than a discount is the honest way to express your price advantage - show the premium at full desire, then explain it as the buyer's own saving. The exhaustive specification block is the right move whenever the word free invites doubt about quality.