eBay Classifieds present a number of lost and found ads and a means of searching for lost and found ads in Chicago is simple and efficient. These listings may include lost and found advertisements for pets or items of value, such as expensive clothing and products. People can also submit a listing on eBay Classifieds to advertise a pet, product or other item that they suspect has been lost in the local area. If you find a pet or item on eBay Classifieds that belongs to you, make sure that you meet the person who is currently in possession of the animal or item as soon as possible.