Coin Galleries of Oyster Bay - East Setauket

Why There Are Diamonds on Tape Measures

In a perfect world, you could use the red marks to identify the placement of the studs. To locate a center between the studs, simply find the black diamond.

How to Clean Coins to Make Them More Valuable

You come across a rare 1909 Indian Head Cent, generally worth over $400. But wait it’s very dirty and tarnished. What do you do?

30 collectibles that are now worthless

If you're expecting to find a collector's gem among your records, stamps, coins, toys, or books, here's why you should brace for disappointment.

How to Get Top Dollar for Your Coin Collection

Did you just inherit a collection of rare coins? If so, congratulations. You could have a very valuable asset in your possession, especially if the collection includes real silver coins. The problem is, you can run into a lot of pitfalls – not to mention dishonest people – when you try to determine

10 Collectibles NOT Worth Collecting Anymore

Kovels.com is the go-to source for information on antiques and collectibles since 1953. Research your antiques using our FREE price guide.

How to Buy Jewelry Like a Jeweler

For years I owned a chain of luxury jewelry stores in one of the wildest, most flamboyant, most duplicitous jewelry markets of them all: Dallas, Texas. With Valentine's Day coming up, I will tell you what sort of jewelry scams are popular throughout...

What Makes a Coin Valuable?

One of the most frequently asked questions about the coin market that appear in my mailbox is “What makes a coin valuable?”

What Are These Old Coins?

Old coins can be hard to identify and put values or prices on if you don't even know what the old coin is called. Is your old coin made of silver or gold? What country is the old coin from? This FAQ will help you figure out what your old coins are, and lead to resources for further information about them.

How to Earn AH Coins?

Why We Buy Coins and Appraise Coin Collections

You want to sell your valuable old coins, but how do you know what they're really worth? And how can you find a coin dealer who's trustworthy?

Under Pressure: How Coins are Made

How Coins Are Made: There are several characteristics of how each piece is produced that influence its overall appearance and even grade.

Why is there a shortage of coins?

What Is The Difference Between Tokens And Coins?

What is the difference between coins and tokens, and what kind of value do they have?

Coins needed to react to posts?

So, I saw a thread about coins but I did not know we would need them to react to posts. Where is the instructions on coins?

What Are Slabbed Coins?

Slabbed coins have been authenticated and graded by a reputable third-party service. These offer collectors a higher level of assurance.

Where To Find Collectable Coins

Today's coin collectors can find Collectable Coins in a variety of places. There is not one place that is best for finding collectible coins for your collection. It is just a matter of personal preference.

Is Saving Coins a Waste of Time and Money?

If you think saving spare change equals saving money, you may have fallen into the money jar trap. Find out how saving coins is a waste of time and money.

Should You Clean Coins Or Not? (Hint: NO!)

A lot of new coin collectors - and those who don’t know much about coins - think it is good to clean coins. It's NOT. Cleaning a coin almost always ruins the coin. Is it ever okay to clean a coin? Yes, there are exceptions to the rule!

What are the Most Popular Silver Bullion Coins?

Relative to other precious metals, silver has a very low point of entry, making it a physical investment possible even with a very small amount of capital.

When it comes to these coins, beautiful is relative

Many coins are uniformly considered beautiful by U.S. collectors. There are others that require a bit more connoisseurship, with a beauty that isn’t as obvious.