Antique bonds are historical financial instruments that represent a loan made by an investor to a borrower, typically a government or corporation. These bonds were issued in the past and often feature unique designs, making them collectible items. They can provide insight into the economic conditions and financial practices of their time. Collectors and investors often seek antique bonds for their aesthetic value and historical significance. Some notable examples include bonds issued during the American Civil War or those from European countries during the Industrial Revolution. The value of these bonds can vary based on rarity, condition, and historical context.