Frequently Asked Questions
How does Coinection work? Find answers about collecting, the rarity score, mintage figures, new releases and your account below.
Collecting on Coinection
Your collection, your wishlist and how to track the coins you own.
Browse or search for the coin, open its coin page and use the add to collection action. You need an account to keep a collection. Browse euro coins to get started.
Your collection holds the coins you own, your wishlist holds the coins you are still looking for. Keeping a wishlist requires a subscription, and you can then share it by link with other collectors.
Your collection is visible to accepted friends by default, and you can change who sees it in your settings. Your wishlist stays private until you share its link. Search engines are asked not to index these pages, but anything you share by link should still be treated as public. Read the Privacy Policy.
Circulation, Brilliant Uncirculated and Proof coins are shown as separate rows in the mintage table on the coin page. Add the version you own and check the table to see how many were made. Read what coin mintage means.
Rarity score
What the rarity score means, from 1.0 (common) to 5.0 (extremely rare).
The score runs from 1.0 (common) to 5.0 (extremely rare) and estimates how scarce a coin is for collectors. It is based on official mintage figures. Read more about the Euro Coin Rarity Score.
Mintage data
Where mintage figures come from and how to read the mintage table.
National central banks, mints and finance ministries publish them, and Coinection collects them through the Open Coin Data initiative. Figures are sometimes revised after first publication. Read more about Open Coin Data.
Not every figure has been published yet. The coin page tells you when data is missing, and we add it as soon as it becomes available. Read what coin mintage means.
Ci stands for circulation quality. BU (Brilliant Uncirculated) and Proof are collector qualities made with extra care, with Proof as the highest finish from specially prepared dies. Read what Brilliant Uncirculated means.
Not necessarily. A low mintage helps, but condition, demand and how many coins actually reached collectors matter just as much.
New coins and releases
New coins, expected dates and how to stay up to date.
The release calendar lists confirmed and expected issue dates based on information from the national banks. From there you can jump to the yearly overview of commemorative coins. Open the Release Calendar.
Download the calendar as an iCal file or copy the subscription URL into Apple Calendar, Google Calendar or Outlook. Your calendar then stays up to date automatically.
Each euro-area country may issue up to two commemorative coins per year, plus any common issues shared by all countries. Read what a commemorative coin is.
Account and data
Accounts, data sources and reporting errors.
No. Browsing coins, tools, definitions and articles works without an account. You need an account to keep a collection, and a subscription to keep a wishlist. Log in or create an account.
Coin details, mintages and images come from the Open Coin Data initiative, which publishes them as open data for everyone. Read more about Open Coin Data.
Post it on the feature and feedback board so it is tracked in public and the team can pick it up. Request a feature or report an issue.
Browse the coins, add what you own to your collection and what you miss to your wishlist. Check the release calendar for new issues and read the definitions to learn the terms. Browse euro coins to get started.
How to store euro coins
Protect your euro coins in five steps, from handling and holders to storage.
- Hold coins by the edge: Always pick up coins by the edge and never touch the faces. Fingerprints leave oils that permanently stain the surface.
- Never clean your coins: Cleaning leaves hairlines and destroys the original surface, which lowers the value. A genuine patina is better than a shiny cleaned coin.
- Use inert holders: Store coins in capsules, non-PVC flips or albums. Soft PVC flips release acids over time that damage the metal.
- Keep sets and coincards sealed: Leave coins from sets, coincards and rolls in their original packaging. An opened set is worth less than a sealed one, and opening risks damaging the coin.
- Store cool, dry and stable: Keep your collection in a cool, dry place without big temperature swings. Moisture causes spots and corrosion, especially on copper and steel coins.