| 摘要 |
In accordance with the present invention, an envelope is provided. The envelope comprises a front wall, a bottom wall connected to the front wall along a lower fold line, and a rear wall connected to the bottom wall along a fold line. The wall section has a slot located along a vertical centerline thereof and a flap located along a distal edge thereof. The flap has a notch. A closure flap is connected to the front wall along an upper fold line. The flap has a V-shaped notch along a distal edge thereof that defines a pair of tongues in the flap. A pair of opposing wing sections are each connected to the front wall along side fold lines. The wing sections each have a base portion that partially defines a side wall and a wing portion for threading engagement with the slot of the closure flap. The wing portions have wing tips for tucking engagement with sides of the rear wall.
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