| 摘要 |
A tamper-evident seal for a plastic envelope with a pocket and closing flap having first adhesive sealing means for sealing the flap to the envelope and a second, tamper-evident sealing means adhering to the end of and extending beyond the end of the flap which also adheres to the envelope after the flap is closed and sealed. The tamper-evident sealing means has a pattern of regions, some of the regions having visually distinct reflective characteristics from others of the regions. The tamper-evident means can also have a pearlaceous material therein or thereon.
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