Whether you're just starting or you've been collecting for years, how you store and handle your coins can make a real difference in what they're worth down the road.  

Proper coin care doesn't have to be complicated! A few simple habits, paired with the right supplies, can go a long way toward protecting your collection for the long haul. Here's what every collector should know about storing, cleaning, and preserving coins.

Proper Storage Methods

Where and how you store your coins matters just as much as what you store them in. Coins are sensitive to their environment, and small changes in temperature, humidity, and light can affect them over time.

• Keep coins in a cool, dry, and stable environment. Basements and attics tend to have more humidity and temperature swings, which can lead to spotting or corrosion.
• Avoid direct sunlight. UV exposure can dull a coin's luster and damage certain finishes over time.
• Handle coins by their edges whenever possible. Fingerprints contain oils and acids that can leave lasting marks, especially on uncirculated or proof coins.
• Never store coins in old PVC flips or plastic bags not designed for long-term storage. Over time, PVC can break down and leave a sticky, green residue on a coin's surface.

Certified coins in sealed holders are a little easier to manage since the grading service has already sealed them for protection. Even so, they still deserve a stable home, away from moisture and away from anywhere they could be knocked around or scratched.

Cleaning & Handling

This is one area where less is almost always more: in most cases, the best thing you can do for a coin is leave it alone. Cleaning a coin, even gently, can remove its original surface and reduce its value, sometimes significantly.

• Avoid rubbing, polishing, or using chemical cleaners on coins you plan to keep as collectibles. What looks like dirt is often toning, which many collectors and buyers prefer.
• If you're examining a coin, hold it over a soft surface like a towel so it isn't damaged if it slips.
• We recommend using cotton gloves when handling coins directly. Gloves block skin oils and dirt from damaging the coin’s surface.
• If you do not have gloves yet, make sure to wash your hands and let them dry fully before handling coins. Hold coins by the edge rather than the flat surface whenever possible.
• When in doubt, don't clean it. A coin's original surface is part of what makes it valuable, and once it's gone, it can't be restored.

If you inherit or come across an old collection that looks worn or dusty, it's worth having it looked at before doing anything to it. What seems like grime to the untrained eye can sometimes be part of a coin's natural and desirable appearance.

Preservation Supplies

The right supplies make coin care simple. Look for products that are labeled archival-safe or inert, meaning they won't react with a coin's metal over time. This is especially important since older paper envelopes and low-quality plastics can cause long-term damage.

Individual coin capsules are among the easiest ways to protect a single coin from air, moisture, and handling while still allowing it to be viewed from both sides. For collectors with growing collections, storage boxes designed to hold capsules keep everything organized and easy to access in one place.

For collectors building sets by date, mintmark, or series, albums and folders are a great way to stay organized while also displaying a collection nicely. They make it easy to see at a glance which coins you still need.

Recommended Albums & Holders

Coin collectors utilize a lot of supplies. Here are some common types:

• Date-and-mint-mark albums for popular series, which keep a set organized and show gaps.
• Capsules and cases for individual coins that see frequent handling or display.
• Slab-friendly albums and cases for certified coins, so graded coins stay protected without leaving their holders.

You can browse our full selection of coin holders and albums to find the right fit for your collection.

Final Thoughts

Good coin care doesn't require a lot of time or expense, just a little consistency. Store coins in a stable environment, handle them carefully, resist the urge to clean them, and invest in a few quality supplies, and your collection will stay in great shape for years to come.

Whether you're protecting a handful of favorites or building out a full set, taking these small steps now can help preserve both the beauty and the value of your coins well into the future.