Coin Capsule | 31 mm Inner Diameter

Coin Capsule 31 mm — protective holder for bullion and collector coins

The coin capsule with a 31 mm inner diameter is a practical accessory for safe storage, transport and presentation of bullion and collector coins. The transparent construction allows both the obverse and reverse to remain clearly visible, while the correctly matched diameter helps keep the coin stable inside the capsule.

A properly fitted protective capsule helps protect the coin against scratches, dust, moisture, fingerprints and minor mechanical damage. This is especially important for bullion and collector coins, where surface condition may influence long-term appeal and resale value.

Why use a protective coin capsule?

Precious metal coins should be stored with minimal direct contact with the surface. Even small scratches, dirt or fingerprints may reduce the visual quality of a coin. A 31 mm coin capsule creates a simple and effective protective barrier and helps keep a collection organised.

• Protects the coin against dust, moisture and scratches.
• Reduces direct contact with the coin surface.
• Allows clear viewing of both obverse and reverse.
• Makes storage and transport safer.
• Helps preserve the coin's appearance over time.

How to use the 31 mm coin capsule

This capsule is intended for coins whose diameter matches the 31 mm inner size. Before purchase, compare the capsule size with the technical specification of your coin, as even small differences in millimetres can affect the fit.

It is a useful accessory for customers buying gold investment coins and silver investment coins. It can be used for individual coins as well as larger collections stored in cases, boxes or coin trays.

Why buy from GoldInvest24?

• Practical accessories selected for bullion and collector coins.
• A useful addition to gold and silver coins available at GoldInvest24.
• A simple solution for safer coin storage, presentation and transport.
• Clear technical information to help you choose the correct size.

Technical specification

• Product type: protective coin capsule
• Inner diameter: 31 mm
• Use: bullion and collector coins
• Colour: transparent
• Function: protection against dust, moisture, scratches and fingerprints
• Application: storage, presentation and transport of coins

FAQ — frequently asked questions

How do I choose the right coin capsule?
The key parameter is the capsule's inner diameter. It should match the coin diameter listed in the coin's technical specification.

Does the 31 mm capsule fit every coin?
No. A capsule must be matched to the specific coin size. This model is intended for coins with a diameter close to 31 mm.

Does the capsule protect the coin from scratches?
Yes. The capsule reduces contact between the coin and the surrounding environment, helping protect it from scratches, dust, moisture and fingerprints.

Can the capsule be opened and closed repeatedly?
Yes, the capsule can be opened and closed. However, for the best protection, it is recommended to avoid removing the coin unnecessarily often.

Add the 31 mm coin capsule to your order and protect your bullion and collector coins with a simple, clean and professional storage solution from GoldInvest24.