Deez Coin NutzCollecting World Coins
Free tools for world coin collectors: read the date on almost any coin, explore the coins U.S. Mints struck for other countries, and find out why world coins might be the most fun corner of the hobby.
Why World Coins?
History you can hold in your hand
A pocketful of history. Experience and learn history in your hands. Each coin can represent long-gone monarchs, forgotten empires, revolutions both physical and ideological, and a historical timeline spanning centuries.
Easy to start. Travel the world and explore the things that pique your interest. Many world coins are inexpensive and plentiful, often available in bulk bins at your local coin shop.
A piece of art in every coin. World coin designs feature an endless variety of designs from animals, dragons, ships, temples, saints, rulers, and more! Many designs are available from countries around the world. Pick a theme and start the hunt, the possibilities are endless.
A puzzle in every date. Experience time the way locals do. Japan counts years by the emperor's era, Taiwan counts from 1912, and Thailand runs 543 years ahead. The free World Coin Decoder below helps you crack the code.
Free toolWorld Coin Decoder
The Oni Hoard x Deez Coin Nutz A free, printable guide for reading the dates, numbers, markings and mottos on world coins: read the digits, name the calendar, then add or subtract.
A free, printable guide for reading the dates, numbers, markings and mottos on world coins: read the digits, name the calendar, then add or subtract.
Inside: Arabic, Persian, Devanagari, Thai and Ethiopic digits, Chinese and Japanese number characters, Hijri, Buddhist, Minguo, Hebrew and Ethiopian calendars, plus Japanese eras, Qing reign names, cash coins, chop marks and mottos.
Download
11 pages, letter size. Print it and keep it next to your loupe, or keep the phone version on your phone.
Free for personal use. If you share it on social media or use it commercially, please credit The Oni Hoard & Deez Coin Nutz (deezcoinnutz.com). For commercial use, ask first: deezcoinnutz@gmail.com.
Working document. We keep adding to it and fixing it, so check back for updates.
V1 · October 2026
Free appUS-Minted World Coins
The Oni Hoard x Deez Coin Nutz
From the Venezuela centavos struck in 1875–76 (dated 1876) to the last Panama order in 1984, U.S. Mints struck coins and blanks for more than 40 foreign governments and U.S. territories. Explore them by country, mint, metal and era.
Independent reference, not affiliated with the U.S. Mint. Figures may contain errors; see the app's disclaimer.
See a preview of the app below (click to open).
Preview: World map Buying, selling or trading?
Our Coin Nuts know world coins. Join us on Whatnot for weekly live auctions and a $25 credit.