Collectible coins, particularly from the United States, encompass a wide range of types, including dollars issued in various years. The term "1 Roll" refers to a set of coins, often 20 or 25, typically packaged for convenience in trading or collecting. The year 1904 is notable for various coin issues, including the famous Morgan silver dollar, which is highly sought after by collectors due to its historical significance and artistic design. Coins from this era often have varying conditions, mint marks, and rarity levels, influencing their value in the collectible market.