Coins allows a hobbyist numismatist to easily import and record details of their coin or medal collection, including: Description, denomination, year of issue, country, and category Catalogue ID, vendor, and value Purchased date and cost Grading (Sheldon, NGC and PCGS scales) Rarity (URS and simplified R-1 to R-9 scales) Composition Diameter and weight Certificate of authenticity number Miscellaneous notes Photos of the coin or medal, invoice and certificate of authenticity (add images by drag and drop and a photo of a medal edge can be added for medal collectors under Preferences). Coins allows you to import your coin or medal collection from a spreadsheet CSV file (with headers) to minimize re-keying of data and to export your collection as a CSV file (excludes photos) to share with other collectors. Also, a coin or medal can be duplicated which can be a template when adding coins or medals with similar data. Your coin collection can be filtered by description, denomination, year, country or category. The denomination, year or country columns can be hidden (which is customizable in Preferences) for medal collectors which allows for filtering by description or category (or country if unhidden).