Archive: People and Markets
Certified Collectibles Group to Acquire James Spence Authentication
Certified Collectibles Group acquires the leading autograph authentication firm James Spence Authentication.
New Publication on Hallmarks of Gold Coinage in Serbia and Yugoslavia
After the work of countless renowned scholars, is it even possible to make new findings in the numismatics of Austria-Hungary and the Balkans? The Austrian Research Society for Numismatics says „yes!“ and proves this with Aleksandar Brzić’s new book on Serbian and Yugoslav hallmarks on gold coins from 1882 to 1941.
Archive: Coins, Medals and more

As the King Lay Dying… – The Most Spectacular British Gold Coin of the Modern Era
In Part 4 of its extraordinary British Collection, SINCONA will be presenting several extremely rare patterns, some of which are the best-preserved specimens available on the market. In this article, we tell their story.

Cleaning, Patina, Verdigris etc.: Which Errors Affect the Price of a Coin? – Part 2
The price of a coin does not only depend on its rarity and quality. In the second part of our overview we will talk about wear and tear, cleaning and the consequences of environmental processes.











Pop Culture & Coins Unite! The National Coin Week 2025
What do Homer Simpson, the Olympic games, Elvis Presley, and Superman have in common? They’ve all been featured, or will soon be featured, on coins. This year’s annual National Coin Week, April 20-26, 2025, explores the fascinating ways pop culture influences money.
RPC Volumes V.2 and V.3 Now Available Online
The Roman Provincial Coinage project now published RPC volume V.2 and V.3 online. They cover all Roman provincial coinage issues from Pertinax to the death of Macrinus (AD 193-218) in all the Eastern provinces of the Roman Empire. This includes 11,000 type descriptions and over 45,000 coins from 317 cities!