Thread: 1991 Topps Desert Shield Packs
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Old 12-23-2022, 01:44 PM
Zach Wheat Zach Wheat is offline
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Al,

There is a UV receptive substance added to the bottom of the top flap of the closed pack. The packs are wrapped in a hot selaed plastic wrap, so the UV glowing spot is not as easy to see.

See pic below
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File Type: jpg Flap 2 Reduced.jpg (192.1 KB, 259 views)
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