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Knowledge Center

Latest answers to your questions:

This Answer covers mule notes and explains what they are, how they are produced, and how to identify a mule note in your currency collection.
This Answer explains what mule error coins are, how they were created, and how much some have sold for at auction.

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Ask us anything.

What is a Strike Character in Coin Grading? 

Strike characters are used with the Sheldon score, but what do they mean? We will explain some of the prominent strike characters in this Answer.

What Does the Designation Full Torch Mean in Coin Grading? 

This Answer explains the Full Torch designation in coin grading and why you might confuse it with another coin grading designation.

What is Confederate Money? 

Have you seen Confederate or 'greyback’ dollars for sale and wondered about their value or historic significance? This Answer is for you!

What Does Brown Mean in Coin Grading? 

In recent Answers, we explained the Red and Red/Brown Character Strikes for copper coins. This Answer covers Brown Cents.

What is a Red/Brown Cent? 

Red/Brown (RB) is grading given to copper coins that have retained some of their red mint luster. Discover how these coins are graded.

How Much is a Denarius Worth? 

You’ve seen the Roman denarius referenced in everything from history textbooks to the Bible, but what was it worth? This Answer will explain the value

How Do I Find the Value of a Rare Dollar? 

Use this guide as a starting point to assess the rarity of unique dollars in your collection.

What Does Red Mean in Penny Grading? 

Have you seen the letters RD, RB, or BN on the slab of a graded cent or copper coin? This Answer explains the meaning behind

What are Full Bands on a Mercury Dime? 

If you have just begun your U.S. coin collection and wondered what Full Bands means, this Answer is for you!

I Can Only Afford a Few Grams of Gold Per Month. What Should I Buy? 

If you can only afford 1-2 grams of gold per month, what is the best investment strategy for you? We will break four investment strategies

What is the Largest Coin? 

Can you identify the largest coins on earth? After reading this Answer, you will be able to.

What are Gold Futures? 

If you’ve wanted an explanation of gold futures contracts, read this Answer!

Is There a Coin-Identifying Mobile App?  

Alternative mobile applications include CoinSnap, an app that utilizes AI-driven image recognition for coin identification, and PCGS Cert Verification, which is geared towards verifying the

What are the Dimensions of APMEX 1 Ounce Gold Bars? 

If you’ve purchased one of our products through a third party, verify the product’s authenticity. One way to begin that process is to determine that

What is the Full Head Designation for Standing Liberty Quarters?

If you have spent much time collecting coins, you’ve seen the term Full Head or FH used to describe Standing Liberty Quarters. What is a

How Did the Nickel Get its Name?

Why is the nickel called a nickel? Do nickels contain silver? Discover the history of the nickel.

How Did the Dime Get its Name?

If you ever wondered how the dime got its name, or how the March of Dimes got its name, this Answer is for you.

Are There Any Coins in Medallic Alignment? 

Medallic alignment is used to describe the relationship between the reverse and obverse of a coin or medal, but are there any coins in medallic

What is the Difference Between Poor-1 and Fair-2 in Coin Grading? 

Explore the differences between PCGS and NGC Poor-1 and Fair-2 coin gradings.

What is a Pattern Coin? 

Wikipedia doesn't tell the full story! Learn the difference between pattern coins, die trails, and specimen coins. The difference matters.

What is the Difference Between .999 and .9999 Gold? 

The difference between .999 gold and .9999 gold is more than 9 one-hundredths of one percent. We describe what distinguishes one from another in this Answer.
Strike characters are used with the Sheldon score, but what do they mean? We will explain some of the prominent strike characters in this Answer.
This Answer explains the Full Torch designation in coin grading and why you might confuse it with another coin grading designation.
Have you seen Confederate or ‘greyback’ dollars for sale and wondered about their value or historic significance? This Answer is for you!
In recent Answers, we explained the Red and Red/Brown Character Strikes for copper coins. This Answer covers Brown Cents.
Red/Brown (RB) is grading given to copper coins that have retained some of their red mint luster. Discover how these coins are graded.
You’ve seen the Roman denarius referenced in everything from history textbooks to the Bible, but what was it worth? This Answer will explain the value
Use this guide as a starting point to assess the rarity of unique dollars in your collection.
Have you seen the letters RD, RB, or BN on the slab of a graded cent or copper coin? This Answer explains the meaning behind
If you have just begun your U.S. coin collection and wondered what Full Bands means, this Answer is for you!
If you can only afford 1-2 grams of gold per month, what is the best investment strategy for you? We will break four investment strategies
Can you identify the largest coins on earth? After reading this Answer, you will be able to.
If you’ve wanted an explanation of gold futures contracts, read this Answer!
Alternative mobile applications include CoinSnap, an app that utilizes AI-driven image recognition for coin identification, and PCGS Cert Verification, which is geared towards verifying the
If you’ve purchased one of our products through a third party, verify the product’s authenticity. One way to begin that process is to determine that
If you have spent much time collecting coins, you’ve seen the term Full Head or FH used to describe Standing Liberty Quarters. What is a
Why is the nickel called a nickel? Do nickels contain silver? Discover the history of the nickel.
If you ever wondered how the dime got its name, or how the March of Dimes got its name, this Answer is for you.
Medallic alignment is used to describe the relationship between the reverse and obverse of a coin or medal, but are there any coins in medallic
Explore the differences between PCGS and NGC Poor-1 and Fair-2 coin gradings.
Wikipedia doesn’t tell the full story! Learn the difference between pattern coins, die trails, and specimen coins. The difference matters.
The difference between .999 gold and .9999 gold is more than 9 one-hundredths of one percent. We describe what distinguishes one from another in this Answer.

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