■ Is there an app through which I can learn the value of my coin?
CoinSnap is a mobile application using AI-driven image recognition technology to identify coins. In addition to what the Coin Market section of Numismatic News online, you want to consider the PCGS CoinFacts, Newman Numismatic Portal, CoinNews.net, NGC World Price Guide, Heritage Auctions and GreatCollections websites for coin values.
■ How can I know if it is worth the money to have my coin graded by a third-party service?
Try to determine a value and a grade for your coin that appears to be realistic. There are many