Collecting as a hobby is not just about the nostalgia or the joy of gathering; it can also be a financial investment. While the value of collectibles can fluctuate, certain items have historically shown a tendency to appreciate over time. Sought after for their rarity, historical significance, or cultural impact, collectibles can turn out to be valuable assets. So, here are collectibles that almost always go up in value, making them worth considering:

1. Rare coins and currency
Coins and currency, especially those that are no longer in production or circulation, rare, misprinted, or have historical significance, are known to appreciate in value. Limited edition coins, ancient coins, or those with errors often attract collectors and can fetch high prices years down the line.

2. Comic books
Early editions of comic books, particularly those featuring the first appearance of now-iconic characters, can be highly valuable. The condition of the comic book is a key factor in determining its worth, with well-preserved copies being the most sought-after. For instance, the comic Superman No. 1. reportedly sold for $5.3 million recently.

3. Classic cars
Classic cars, especially rare models in excellent condition, can fetch a high price. The desirability of certain models, their historical importance, and their condition play a huge role in increasing their valuation. Classic car auctions are a testament to their ever-growing popularity among collectors.

4. Art
Original works of art by renowned artists typically appreciate over time. The art market can be unpredictable, but pieces by established artists or those gaining recognition can be sound investments. The record of ownership and authenticity of the artwork plays a key role in its valuation.

5. Antique furniture
Furniture from notable periods or makers, especially pieces that are well-preserved and have historical significance, often see an increase in value. The rarity and craftsmanship of antique furniture make them desirable to collectors.

6. Watches
High-end vintage watches, particularly from prestigious brands like Rolex or Patek Philippe, are known for holding and often increasing in value. The watch’s condition, rarity, brand history, and demand contribute to its appreciation.

7. Rare books
First editions of classic literature or significant historical texts are highly prized among collectors. The condition, rarity, and historical importance of the book are key factors determining its value.

8. Stamps
Philately or the collection of stamps is a popular hobby, with certain rare stamps (due to limited print runs, historical significance, or errors) becoming extremely valuable. The condition of the stamp is a crucial factor in determining its value.

9. Sports, music, or movie memorabilia
Memorabilia associated with significant cultural events or famous personalities, such as sports memorabilia, movie props, or items owned by music legends, often increase in value. The item’s rarity, the fame of the person or event it is associated with, and its overall condition are critical in assessing its worth.

Investing in collectibles can be both a passion and a financial move. The key to success in this field is research and a deep understanding of what makes each item valuable. While trends can change, and no investment is without risk, the collectibles on this list have historically shown a tendency to appreciate in value over time. As with any investment, it is advisable to diversify and not invest more than one can afford to lose in collectible items.