The Copper Immune Columbia coin, minted in 1786, is a significant collectible piece from the early United States period. It features a design symbolizing the personification of Columbia, a historical figure representing the United States. This coin was produced as part of a series of experimental coinage and is valued by collectors for its historical significance and limited mintage. Copper coins from this era, particularly those featuring unique designs, often command high prices in the numismatic market due to their rarity and condition.