Collectible coins, or numismatic items, are coins valued for their historical significance, rarity, condition, and demand among collectors. In the context of United States coins, the $5 modern commemorative coins, such as those issued in 2025, represent special anniversaries, events, or themes significant to American culture and history. These coins often feature unique designs and are produced in limited quantities, making them desirable among collectors and investors alike. The "G 5" designation likely refers to the specific grading or certification of the coin, reflecting its quality and condition in the collector market.