Numismatic coins are collectible coins that are valued not just for their metal content but also for their rarity, historical significance, and condition. Collectors often seek these coins for their unique designs, minting errors, or limited production runs, which can make them more valuable than their face value. These coins can include a variety of types, such as ancient coins, commemorative coins, and bullion coins. The numismatic market is driven by supply and demand, with prices fluctuating based on collector interest and market trends. Collectors often join clubs or attend shows to share their passion and knowledge about numismatic coins.