Here's another section that covers the same thing.
BTW the address of this page is here

I hope this new auction doesn't get yanked. :)

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Links
Users may place a simple link to another web page in the description portion of their listing to help provide more information about the listed item. However, the following links are not permitted:

links to other listing sites
links to sites offering the same merchandise for the same or lower price
links to sites offering merchandise prohibited on eBay
Policy: The links described above are not permitted and will be ended. The insertion fee will be automatically credited for that listing.