Buying guide
How to handle and care for your coins
The single most valuable thing you can do for a coin is also the simplest: handle it as little as possible, and never try to improve its appearance. Coins are damaged far more often by well-meaning owners than by age. This guide covers the few habits that protect condition and value.
How to hold a coin
Always hold a coin by its edge, between thumb and forefinger, never by touching the faces. The raised design and the flat fields are where wear and fingerprints show first, and where grading is most affected. Work over a soft surface such as a cloth or padded tray, so a dropped coin lands gently. If you handle coins often, soft cotton or nitrile gloves are a sensible precaution, though clean, dry hands and an edge-only grip are enough for occasional handling.
Why you should never clean a coin
It is tempting to make a coin shine, but cleaning is the fastest way to destroy its value. Polishes, dips, abrasive cloths and household chemicals all leave microscopic scratches or strip the surface, and collectors and graders can spot a cleaned coin instantly. Even toning, the natural colour that develops over time, is often prized rather than a flaw. If a coin is dirty, leave it as it is. The original surface, however imperfect, is almost always worth more than a cleaned one.
Fingerprints and what they do
A fingerprint is not just unsightly. The oils and salts in skin slowly etch into a coin's surface, and on high-purity bullion such as a Britannia or a Maple Leaf the result can become permanent within weeks. This is why even a brief, careless touch matters, and why getting a coin into a capsule sooner rather than later is worthwhile.
The role of a capsule
A good capsule seals a coin away from the three things that harm it in storage: physical contact, airborne pollutants, and moving air carrying moisture. Air-Tite capsules are made from hard, crystal-clear, PVC-free acrylic, so they protect without the chemical risk of soft PVC flips, which can leave a damaging residue over time. Choose a direct fit or black ring capsule sized to your coin, or use our capsule finder to match it.
Storing coins for the long term
Keep encapsulated coins somewhere cool, dry and stable. Avoid lofts and garages, where temperature and humidity swing, and avoid leaving coins loose in drawers where they can knock together. For a collection, stackable storage tubes keep capsules organised and add a second barrier against light and dust. A little silica gel in a storage box helps control humidity. The principle throughout is simple: stable conditions, minimal handling, and the original surface left untouched.
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