The joy of owning a collection goes beyond mere accumulation; it is the thrill of the hunt, the satisfaction of expertise, and often, a childhood passion turned into a valuable asset, and then of course, selling things online for a lot more! Whether it’s rare gold coins, cheap stamps that you purchased on stamps.com, sports trading cards, nostalgic dolls or toys, antique furniture, comic books, or vintage wine—there are countless collectibles out there that not only hold emotional value, but also prove to be savvy investments over time. Read on for six collectibles that actually go up in value, making them an exciting blend of hobby and investment:

1. Sports memorabilia
Sports memorabilia, including autographed sports jerseys, equipment, and trading cards, can be incredibly valuable, especially if associated with iconic players or landmark moments in sports history. The rarity, condition, and authenticity of the items significantly influence their value. For instance, a baseball card of Honus Wagner, a famous early 20th-century player, sold for over $3.12 million USD in 2016.

2. Rare coins and currency
Numismatics, or coin collecting, is an age-old hobby, often passed down through generations. Collecting coins provides a unique window into history and geography, but the real allure is in their potential increase in value. Rarity, condition, metal content, and historical significance can make certain coins extremely valuable. For instance, the 1794 Flowing Hair Silver Dollar was sold at auction for over $10 million USD in 2013.

3. Art
Investing in art can be rewarding—both aesthetically and financially. Paintings, sculptures, and even digital art forms like NFTs (non-fungible tokens) can significantly appreciate over time. Art from recognized and emerging artists, especially if acquired early, can yield substantial returns. For instance, Jean-Michel Basquiat’s art, initially sold for a few hundred dollars, but now auctioned for millions.

4. Dolls and toys
Vintage dolls and toys can command incredible prices on the collector’s market. Limited editions, rare finds, and items in excellent condition are particularly prized. The iconic Barbie dolls, Star Wars action figures, and even LEGO sets have seen dramatic increases in value. For instance, an original 1959 Barbie recently sold at auction for $27,450 USD.

5. Cars
Classic cars are more than just vehicles; they are rolling pieces of history and art. Vintage models, particularly those with a noteworthy provenance, limited production run, or unique features, can significantly appreciate. In 2018, a 1962 Ferrari 250 GTO sold at auction for a staggering $48.4 million USD.

6. Comic books
Comic books, particularly older, rare editions in mint condition, can be worth a fortune. Key issues, such as first appearances or origin stories of popular characters, are especially valuable. In 2014, Action Comics #1, the first appearance of Superman, sold on eBay for $3.2 million USD.

Collecting is a hobby that can potentially turn into a valuable investment. It combines passion with the thrill of the hunt and the potential for financial reward. Whether it’s sports jerseys, trading cards, coins, or any of the items on this list, the key is to research, ensure authenticity, and take proper care of the collectibles. After all, today’s quirky collectible could be tomorrow’s priceless artifact!