Collectible coins are often categorized into various types based on origin, design, age, and rarity. Within the realm of United States coins, notable examples include historical pieces like the 1930s Jankovsky coins, which are recognized for their unique designs and limited mintage. Other varied forms of collectibles may include slugs, often made from lower-quality materials and lacking intricate designs, appealing to niche collectors. The market for such items typically fluctuates based on demand, historical significance, and condition.

Item Denomination Series Year Mint
(C.1930'S) Bronze J-130 Slug Ms Other / Varied Slugs - Jankovsky 1930 Unknown