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Basics

What is a mule coin, or hybrid coin? It’s this.

We take a look at what a mule coin (also known as a hybrid coin) is, with examples and a quick overview at how that error can be made.
Numismatic History

This is what the Denmark euro coins would have looked like

Even though Denmark rejected the euro in 2004, it had their own coin designs ready in case they decided to adopt it. We take a look at them.
Basics

What is the RIC number of a Roman coin? It’s this.

We take a look at what the RIC number (or code) of a Roman coin is, where to find it, who decides it, and where to buy the books.
Values

1995 2000 Pesetas coin (Spain): Here’s its value

Find out the value of the 1995 silver Spanish 2000 pesetas coin in all of its presentations: loose, in a plastic bag, or in coincard.
Numismatic History

What are notgeld coins and notes? The World War I German emergency money explained

In WWI Germany, cities issued their own coins and banknotes, called notgeld. We take a look at what they are and at its history.
Values

2002 Italy 2-Euro Coin: Here’s its Value

Find out how much the worth and value of the Italy 2002 2-euro coin is and why it's actually very low, especially compared to some eBay ads.
Basics

What is the CJ number (or code) of a coin from Argentina? It’s this.

Let's check out what the CJ number, or CJ code, of a coin from Argentina is, where it comes from, and why it is so important.
Numismatic History

The non-selected designs for the common side of the Euro coins: what could have been, but wasn’t

In 1996, the European Commission launched a contest to select the design of Euro coins. They were 8 non-selected designs, 8 losers. They were these ones.
Basics

What is a piedfort coin? It’s this

When you are starting in numismatics, new terminology can be overwhelming. So, here, in ColeMone, we delve into what a piedfort is.
In Depth

1933 Double Eagle (US), or how the most expensive coin in the world can send you to prison

The 1933 Double Eagle is the most expensive coin in the world, and its story could be the plot of a Hollywood movie. Read it here.

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