2 ? Capsules and Cases

Capsules for 2 euro coins are individual protective cases designed to preserve 2 ? coins from mechanical damage, moisture and oxidising agents. They are suitable for both regular circulation coins and 2 euro commemorative coins, whose numismatic value warrants careful preservation.

The standard diameter of 2 euro coins is 25.75 mm. Capsules designed for this format have an inner diameter of approximately 26 mm, providing a precise fit without applying pressure to the edge or relief details. This is essential to avoid damaging the bimetallic galvano characteristic of this denomination.

Cases and capsules for 2 ? are generally made of transparent acrylic plastic, offering excellent visibility of both sides of the coin without requiring direct handling. Some models are made of polystyrene or acetate, inert materials that do not react chemically with the metal alloys composing 2 euro coins, namely an outer ring of nickel-plated steel and a central core of bimetallic alloy based on copper.

Several types of containers can be distinguished: snap-lock round capsules, screw-top capsules, and soft sleeves. Snap-lock capsules are the most common solution for everyday use, while screw-top capsules offer enhanced sealing, suitable for long-term storage or storage in humid environments.

For collectors wishing to store several coins in an organised manner, 2 euro capsules are compatible with numismatic trays, binder pages and storage boxes whose compartments are sized for the 26 mm format. This compatibility facilitates the building of complete collections of 2 euro commemoratives, whether national series or common European programmes such as issues dedicated to the Economic and Monetary Union, the European flag or the Olympic Games.

Capsules sold in bulk help reduce the unit cost of protection, which is particularly suited to collectors who follow the regular issues of the twenty member states of the euro area that strike 2 euro commemorative coins each year. Available quantities generally range from a few units to packs of one hundred capsules or more.

Manufacturing quality is measured in particular by the transparency of the plastic, the absence of scratches on the inner surfaces, the strength of the closing system and dimensional stability over time. A poor-quality capsule may deform, allow air or particles to enter, and cause micro-scratches on the fields or relief details of the coin.