
David Mitchell
Biography:
David Mitchell is a highly respected numismatist and data technology expert. He has a rich background in ancient coinage and modern computational techniques. He holds a Bachelor's degree in Classical Studies and a Master's degree in Data Science from the University of Oxford. Throughout his career, David dedicates himself to combining the study of coins with advanced data science. He is a Certified Numismatic Expert (CNE) and a Professional Data Analyst (PDA).
Professional Achievements:
Led the development of advanced algorithms for Coin ID Scanner, improved the app's accuracy in detecting and appraising coins from various historical periods.
Implemented a machine learning framework to enhance the app's ability to predict coin values based on historical data, resulting in a 50% increase in user satisfaction.
Publications:
David has authored numerous articles on the synergy between numismatics and data science, with his work in "Numismatic Technology Journal" and "Data Science Applications". He co-authored "Digital Numismatics: The Future of Coin Analysis". It is a seminal work for academic and practical audiences.
Projects:
Launched the "Global Coin Archive" project, in collaboration with international museums and numismatic institutions, to expand the database of Coin ID Scanner and improve its recognition capabilities.
Developed a project in partnership with economic historians to integrate macroeconomic data into the app’s valuation algorithms.
Participation in Events:
Keynote speaker at the International Numismatic Conference, discussing innovations in data technology applied to coin analysis.
Facilitated numerous workshops at the "Technological Advances in Numismatics" symposium.
Feedback and Recommendations:
David Mitchell is widely acknowledged. His efforts have greatly enhanced the functionality of Coin ID Scanner and advanced the application of data science in numismatic studies.
Articles by David Mitchell
Historical Coin Profiles
Dollar Sign: Where Did It Come From, and What Does It Mean?
What could be considered one of the most instantly recognizable symbols in the world? This indeed is all about the US dollar sign – "$". That said, it is no longer a simple marker of currency - it is a symbol that represents power, capitalism, and modern finance at its best.
Coins Overview
Copper Dimes: Complete Guide to Rare & Valuable Coins
A dime might be 1/10 of a dollar, but it’s still a valuable coin. Actually, some dimes might be worth thousands and thousands of dollars. Would you like to know which ones?
Coins Overview
2026 Coin Designs: New Quarters, Dollars & Special Releases
The year 2026 will establish itself as a historic period for both collectors and ordinary citizens because the United States Mint has plans to release innovative coin patterns.
Coins Overview
What is Misspelled on the 1922 Liberty Dollar?
The 1922 Peace Dollar, often nicknamed the Liberty Dollar for its striking depiction of Lady Liberty, reflects a major step in US coinage: as a new representative of its time, it was meant to replace the long-running Morgan dollar and celebrate the end of World War I.
Coins Overview
Challenge Coins: The Ultimate Collector’s & Military Guide
A challenge coin is a small metal coin or medallion with the organization's symbols worn by its members. In a challenge coins military context, they are used to strengthen camaraderie and boost morale among unit members.
Coins Overview
Hobo Nickels: The Ultimate Collector’s Guide
Hobo Nickels are miniature sculptures, each created by hand by changing the design on a regular coin. Let's learn about their rich history, and find out how much they can be worth. This art form represents a unique intersection of numismatics and folk art, making it a captivating hobby fоr many.
Coins Overview
Morgan & Peace Silver Dollars: Complete Collector’s Value Guide
It’s rare when two different coins become associated with one another. They came from different times, have different designs, and yet come in one Morgan and peace silver dollar set.
Coins Overview
Peace Silver Dollars: Complete Value Guide & Rare Coin List
Silver Peace dollars are important symbolically and materially. They symbolize the idea of peace, something that everyone needed after World War I, when the coin first appeared.
Coins Overview
25 Most Valuable Morgan Silver Dollars
Morgan Dollars saw a lot of history. They first appeared as a result of a political act in 1878, and reappeared multiple times, surviving to our modern age.
Coins Overview
American Silver Eagles: Complete Value Guide & Rare Coin List
Introduced in 1986, the American Silver Eagle (ASE) was initially marketed as a bullion coin—its value pegged to one troy ounce of .999 fine silver. But the series quickly transcended its melt-price origins. Time turned select key date American Silver Eagles into high-value specimens.