If you are buying autographs on Ebay you want make sure you do a few things to make sure you will be getting something 100% hand signed by the celebrity. Most dealers offer a certificate of authenticity. While this is valuable what is most important is that the seller stands behind the authenticity forever. Hopefully you will be able to return the item at any time if it is found to not be signed by the celebrity. Other suggestions include use PSA/DNA authentication. This public company offers a service to give a quick opinion if the autograph is genuine or not. Even though it can cost a few dollars it will give you peace of mind. When buying original candid photographs you might want to ask the seller if they took the photographs themselves. Some sellers sell photos they have taken and you are able to buy original prints of their digital or old style negatives. These photographs are becoming more popular and are a great item to collect for your favorite famous person. Prices can vary but they are usually very reasonable considering celebrity photos sell for great amounts in art galleries. You might also begin to collect one photographer who is up and coming. The fact that they photograph celebrities means that their images are valuable and might go up in value as time continues. Vintage celebrity photographs are becoming rarer and more desirable.