Memorabilian.
Antique-collector
A Pencil Collector
memorabilia
A person who collects shells is known as a conchologist.
A numismatist is someone who collects coins and/or medals a numismatist
Yes, ebay sells all kinds of sports memorabilia. You can get all kinds of vintage wares and team apparel. A friend of mine collects vintage sports pins and got most of his collection through ebay.
leroy rosenior (fultham right back)collects shirts from all the players he plays against
A person that collect memorabilia is called a collector. Some collectors keep everything themselves and other sell the items.
Someone wanting to purchase Ravens football memorabilia can do so at sports collectible shops or online. Ravens fanatics has a website where Ravens fans can purchase memorabilia.
The value of Kasey Kahne's or anyone else's memorabilia depends on many things like what the memorabilia is, what condition it is in, if it is in it's original container or not, where you are selling it and how much someone is willing to pay for it.
hoarder!
someone who collects umbrellas