Marked cards are a type of trick poker decks. They refer to playing cards that have altered in various cards marking ink to allow poker magicians and gamble players to recognize the marks with the unique card readers. Marked cards contact lenses are a type of effective magic poker cheating devices. Based on the spectrum, they are applied to detect luminous invisible ink markings on the back of marked cards. With a superior disguise, invisible ink contact lenses are popular among any poker game, magic trick shows, as well as many casinos. Top-quality poker devices are for sale from our online mall.
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