Savvy eBayers already know this eBay search trick. If you have an eBay listing’s 12 digit listing number, you can type it into any eBay search field to see the listing information.
Say you want to know about item number 150403914444. Just enter the 12 digit number in any eBay search box.
This capability extends beyond just the eBay.com site to any 3rd party eBay search site.
Try it on WatchedItem.com by clicking here. You will see the number of watchers for item number 150403914444.
Another easy way to find info on an item is to paste the entire title for the eBay listing into the search box. Try it here.