Collectible coins include various types such as commemorative coins, bullion coins, and numismatic coins, often categorized by their historical significance, rarity, or design. The United States has produced many collectible coins, including the $1 Gold coins. The 1875 $1 Gold coin is particularly noteworthy as it represents a specific era of U.S. coinage, featuring unique designs and limited mintages that appeal to collectors. The designation "N A" may indicate conditions or grading classifications relevant to the specific coin.