| 摘要 |
A retail coupon document contains two coupons which are hidden from a coupon user, the coupons being for different values. The user selects and pulls one of two intersecting pull strips, thereby revealing one of the coupons and destroying the other, depending upon which pull strip is selected. The pull strips are formed by perforated division lines which are so arranged that a downstream portion of each pull strip passes through one of the coupons. Thus, the revealed (non-destroyed) coupon will possess such downstream perforations. The perforated division lines are formed in a two-ply panel of the coupon and are arranged such that each pull strip is less resistant to being pulled off in an upstream portion thereof than in a downstream portion thereof. The division lines are formed in both plies, with the perforations in one ply being staggered relative to the perforations in the other ply in at least a downstream section of the coupon.
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