Hi andreka72,
It often takes eBay several hours after a listing has been posted for them to "index" it in the appropriate search results pages. You can find additional information on this issue by viewing the following link:
http://pages.ebay.com/help/find/questions/wheres-my-item.htmlIf you would like further clarification regarding this issue, I suggest contacting eBay's customer service department.
-Mike