If you have more than 10 of the same item to sell, you can choose to show the quantity available as "More than 10", or show the actual number of items available.
To select whether to show the exact number of items:
Go to My eBay.
Click the Account tab, and then click the Site Preferences link in the left navigation.
Under Selling Preferences, click the Show button next to Sell Your Item form and listings.
Click the Edit button next to Show the exact quantity of items in your listing if the quantity exceeds 10.
Display "More than 10" in your listing (if applicable)
Display the exact quantity in your listing
Click the Submit button.
Article ID: 33
Created On: Thu, Apr 14, 2011 at 10:14 AM
Last Updated On: Mon, Apr 18, 2011 at 12:41 PM