Collectible coins are coins that are valued not only for their face value but also for their numismatic significance, historical context, or rarity. In the United States, the Silver Eagle, specifically the 1 One Dollar Silver Eagle coin, has become a popular collectible since its introduction in 1986. The 1998 Silver Eagle is notable for its limited mintage and demand among collectors. Coins of this type are often graded on their condition, with higher grades typically commanding higher prices in the market.