Silver is soft, reactive and easy to damage. A single careless handling session can turn an uncirculated coin into a lower-grade one, and the wrong storage materials can stain a surface permanently. Here is how to protect what you buy.
Rule one: handle as little as possible
Skin oils and moisture are the main cause of fingerprints that etch into the surface over years. Handle coins by the edge, and wear cotton or nitrile gloves for anything marked proof or brilliant uncirculated.
Capsules: the default for single coins and rounds
A hard acrylic capsule protects the face and the edge at the same time and keeps the coin out of contact with air. Use the correct diameter — most 1 oz silver coins and rounds are 38 mm, but some are 37 mm and older coins can differ by a millimetre or more. A loose capsule lets the coin rattle and slide, which scratches it.
Capsules are also the safest way to store anything you may sell later, because you never need to touch the surface again.
Tubes: how dealers store multiples
Mint tubes hold 20 or 25 coins and are the standard way to keep a roll together. Keep coins in the tube if you buy by the roll — the tube is part of the product, and buyers expect a sealed or lightly opened roll to match.
Bars: leave sealed packaging alone
Sealed bars with a serial number and assay certificate should stay sealed. Once the packaging is opened, the bar loses the tamper-evident guarantee that makes it easier to resell.
Tarnish: slow it down, do not clean it off
Tarnish is a thin layer of silver sulphide, usually a slight gold or grey tint that develops first on the high points. It is not damage, and it does not affect the metal content.
- Store silver in a cool, dry place away from sunlight.
- Keep it away from rubber bands, newspaper, cardboard, wool and anything else that releases sulphur over time.
- Add a silica gel packet to sealed storage to control humidity, and replace it periodically.
- Keep coins in a dry area — a bathroom or kitchen is the worst place in the house.
Never clean a coin
This is the most expensive mistake new buyers make. Polishing, dipping or wiping a coin removes metal and original surface, and collectors and dealers will spot it immediately. A cleaned coin can lose a large share of its value permanently. If a coin is tarnished and you dislike it, store it out of sight rather than clean it.
Avoid PVC
Soft plastic made from PVC releases plasticisers that react with silver and leave a green, sometimes permanent residue. Use polyethylene or Mylar-based flips, capsules and pages, and if you have old soft plastic holders, move the coins out.
A simple setup that works
- Individual capsules for single coins you want to keep in top condition
- Mint tubes for quantities of the same coin
- An airtight storage box with silica packets for long-term holding
- Gloves and a soft surface to work on when you do handle anything
We sell acrylic coin display cases for 38 mm silver coins, and every coin and round we ship arrives protected. Browse the catalog to see what is in stock.