Not sure anybody knows this eBay Policy. One of the hundreds of policies we need to abide by to use the site 🙂

Examples of listings that are not allowed:

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Mystery items (envelopes, boxes, etc). This includes listings where the seller doesn't specifically identify the contents, number, quality, or condition of the items for sale.

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I was getting ready to list one when... a google search found me this page:

http://pages.ebay.com/help/policies/listing-bonus-prize-giveaway-raffle.html

I had the photo ready and everything :_|