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VISIT THE CALIFORNIA GOLD & SILVER EXCHANGE IN UPLAND CALIFORNIA

130 S Mountain Ave Unit R, Upland, CA 91786

When you sell gold to us, we will explain every step of the process to help you understand how selling gold works. With your XRF Precious metals Analyzer, we can test your gold to know exactly what purity your gold contains. This helps us assess your gold to give you the most when you sell.

Picture this… you find old coins in a box as you’re cleaning out the house of a relative that’s recently passed away. You look up the coins online to see what they’re worth and get excited to see they could fetch you around $300 each. However, you also notice the coins are a bit dirty from sitting in that box for years, so you decide to give them a nice clean and polish them. You go to a shop to sell them, and the shopkeep tells you that they can’t even buy them for a tenth of what they are worth.

Coins can actually lose a lot of value when you clean them. This is why we never recommend that you clean your coins before you sell them.

Why Do Cleaned Coins Lose Value?

Cleaned coins lose value because most cleaning products are abrasive, you can easily damage the coins, and even non-abrasive cleaners can react poorly with other metals in the coins. When you clean your coins, you can also damage the design of the coin itself if you apply too much pressure while scrubbing, or if you scrub for too long. A coin’s design can be one of its most valuable assets, especially when the design is unique, rare, or no-longer in print. It’s one of the most important factors when buyers grade the coin. The coin can also become damaged during the drying process if the cloth you use to dry it is too rough. This causes scratches and blemishes that further decrease the value.  When it comes to bullion coins, even your newer coins hold their value in their precious metal content, not their cleanliness.

clean your coins

What is Patina?

A coin’s patina is the layer of toning that a coin naturally develops over time. Patina development is how the metal in the coin naturally protects itself from the environment. Another important reason not to clean your coins is because a coin’s patina can help determine how much it is worth.

Silver Coins

Silver coins will turn from a light grey to a darker brownish grey with even darker browns in the recessed areas of the coin.

Gold Coins

Gold turns to a softer or warmer yellow over time since it is the least reactive of the metals. It may be harder to determine the patina on gold because of this. If your gold coins have a brown or dark-looking patina on them, it may mean that your coin was not made from solid gold, but was mixed with other metals.

Ready to Sell Some Dirty Coins?

If you have some coins you are looking to sell, you can contact us or come into our shop located in Upland, CA. Although we don’t require appointments, we definitely recommend them to make sure you can be serviced.

How to Test Your Gold at Home

If you have some gold to sell, you may first need to verify that your gold is actually worth something. While regular gold investors may already own equipment for testing, the average person will probably need to try other options. You may be wondering how to test if your gold is real without the use of fancy equipment. Luckily, you can test your gold for authenticity right at home with things you probably already have laying around!

Home Tests to See if Your Gold is Real

We always recommend getting your gold tested by a professional. However, if you want to make sure the trip to the gold buyer will be worth it, you can do these preliminary tests to check for authenticity. Use these tests with caution. Some of these may cause damage to your items if you aren’t careful.

Gold Hallmarks and Letter Marks

The easiest way to test your gold for authenticity is to check for markings and stamps on the gold. Authentic pieces are usually stamped with letters, numbers, or other markings that give basic information about the gold piece. There is usually a hallmark that will indicate what kind of gold you have. You can find these by looking for 10k for 10 karat, 14k for 14 karat, etc. There may also be letters that indicate if your gold is filled plated, or electroplate. GF means gold filled, GP means gold plated, and GEP means gold electroplate. However, even if your gold plating is real, it doesn’t always mean that there is enough gold to be considered true gold.


Test if Your Gold is Real With Vinegar

You can test to see if your gold is real by putting a little bit of vinegar onto it. Put your piece of gold on a flat surface or hold it in your hand. Carefully pour some vinegar onto the gold, or use a dropper to put a few drops onto it.  If the gold changes color, then it is not pure gold. However, if the gold remains the same, or stays shining, then the gold is real. You can also put some vinegar into a glass and let the gold soak in the glass for 5-8 minutes. If the gold changes color (even slightly) after rinsing it, then it is not real gold.

The Makeup Test

You can test to find out if gold is real or not with just a little bit of liquid foundation. Although this method isn’t 100% reliable, it’s an easy way to test in a pinch. Take a small amount of liquid foundation and blend it into your hand. Set with powder, and after it’s dried down, rub your gold on the area. If the area turns black, it’s more than likely real gold. However, if you rub gold on clean, dry skin that’s free from lotions, makeup, and oils, there should be no residue left from the gold after rubbing. If a black or greenish mark appears on clean skin, it may not be real. Test your gold on both clean, dry skin and skin with the liquid foundation to see if there is any difference.

Real Gold Won’t Stick to a Magnet

Another very simple test you can do is to use a strong magnet against your gold. Real gold is not magnetic, and therefore, should not stick.

Ready to sell? Contact us today!

items we buy

If you are just getting started in investing in precious metals, you may be wondering which items we buy put the most money back in your pocket. While the market is always changing, there are items that guarantee to get some money in your pocket every time. Some of these things you may even have laying around your house waiting for you to cash them in.

Items We Buy

We buy gold, silver, platinum, coins, bullion, and diamonds. However, our main focus, and what will give you the biggest return on investment is gold and silver. We buy items in all conditions and in nearly every form including jewelry, coins, flatware, dishware, dental gold, bullion, PCGS & NGC coins, bars, and more.

Items We Buy

What Items We Buy Gets You the Most Back

It may be surprising, but the items we buy that guarantee you get the most are items that you might already have at home. Jewelry, flatware, silverware, and other common household items are often worth some money if they’re made from real gold or silver. So, if you have some fancy silver dishes that your great-great aunt left you when she passed, you may want to get them appraised.

Another place you can often find these types of items for little to no cost to you is at estate sales and yard sales. Many times people just want to get rid of their things without either knowing or caring how much their items are worth.

What to Know Before You Sell

The most important thing to know before we buy your items is: DO NOT CLEAN OR POLISH YOUR ITEMS. Your items will actually decrease in value if you polish, buff, or clean them. Please leave items untouched. If they are dirty, antique, or broken, that is perfectly okay!

This article gives a good overview as to why you especially shouldn’t clean coins before having them appraised.

Items We Don’t Accept

We do not buy gold or silver plated items, and we also do not buy items that we cannot guarantee their authenticity.

Have some items you’re ready to sell? Contact Us today to get some cash in your pocket.