| 摘要 |
A security device is used to protect the number or numbers disposed on a raffle or pool ticket. The security device prevents the numbers from being viewed until the owner of the ticket or the operator of the game need to reveal the number. In one embodiment, a lottery ticket has first and second portions with related numbers printed on the portions. Another aspect of the invention provides a method for operating a raffle using raffle tickets having security devices wherein the winning raffle tickets are drawn before the tickets are sold. Another embodiment of the invention provides a pool ticket having at least one number covered by a security device that prevents the number from being viewed until the security device is removed.
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