تويتر \ CollX al Twitter: "Do you collect vintage baseball cards? Scan your cards with CollX, get the value of the card and add it to your collection. Download the app below.
CollX: Scan sports cards to find out what they're worth
CollX: Sports Card Scanner on the App Store
Why Sports Card Values from the Late-80s and Early-90s Are Very Low
SportsCardDatabase.com - Free Real Time Price Guide and Collector Tools