Welcome to the Sahara Coins Knowledge Center
Knowledge is one of the most valuable tools you can have when buying, selling, collecting, or investing in coins and precious metals. The Sahara Coins Knowledge Center was created to provide collectors, investors, families, and first-time sellers with clear, trustworthy information they can use to make more confident decisions.
Here you can explore educational articles covering gold, silver, bullion, rare coins, paper currency, jewelry, collectibles, precious-metals investing, and current market news. Whether you want to understand how gold prices are determined, learn what makes a coin valuable, compare bullion with collectible coins, evaluate inherited items, or better understand the process of selling gold and silver, our growing collection of resources is designed to help.
Serving Las Vegas and Southern Nevada since 1997. Our experienced team works with everything from gold and silver bullion to rare coins, collectible currency, scrap jewelry, estate collections, vintage collectibles, and other valuable items. We created this Knowledge Center to share that experience and provide straightforward information without unnecessary hype or confusing industry terminology.
New articles and weekly precious-metals market updates are added regularly. We invite you to explore the categories below, discover topics that interest you, and return often as the Sahara Coins Knowledge Center continues to grow.
If you have an item you would like professionally evaluated or are ready to buy or sell coins, bullion, jewelry, currency, or collectibles, visit Sahara Coins & Precious Metals at 7293 West Sahara Avenue, Suite 106, in Las Vegas, or call us at 702-367-4360. Our knowledgeable team is always ready to help.
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The Educational Notes of 1896: History, Designs, Value, and Collecting Guide
Discover the remarkable 1896 Educational Series Silver Certificates. Learn about the famous $1, $2, and $5 designs, their artists, historical symbolism, Friedberg varieties, grading, rarity, preservation, and collector value.
90% U.S. Silver Coins (“Junk Silver”) Explained
Learn what 90% U.S. silver coins—commonly called “junk silver”—are, which dates contain silver, how much silver they hold, how they are priced, and what to know before buying or selling pre-1965 coinage.
The Morgan Dollar: History, Key Dates, Value, and Collecting Guide
Discover the fascinating history of the Morgan Silver Dollar, from the Bland-Allison Act and the Comstock Lode to Carson City coins, key dates, grading, value factors, famous hoards, and the modern revival of this classic American coin.
Weekly Precious Metals Market Update: Gold, Silver, Platinum, and Palladium Face a Volatile Week
Gold and silver rallied before reversing sharply as rising oil prices, Treasury yields, dollar strength, and renewed interest-rate concerns pressured precious metals. See what moved gold, silver, platinum, and palladium—and what investors should watch next.
Why Investors Buy Precious Metals: A Complete Guide to Gold, Silver, Platinum, and Palladium
Why do investors buy gold, silver, platinum, and palladium? Learn how physical precious metals may provide diversification, tangible ownership, liquidity, industrial exposure, and potential long-term wealth preservation—along with the risks and costs every buyer should understand.
Comic Books and Grading: A Complete Guide for Collectors
Learn how comic-book grading works, what professional graders examine, how defects and restoration affect condition, and when certification or pressing may be worthwhile for your collection.
How to Determine if a Collectible Is Rare or Valuable
Learn how to determine whether a collectible is rare or valuable using production numbers, identifying marks, condition, authenticity, provenance and current collector demand.
Buying and Selling Collectible Currency: A Complete Guide for Collectors
Learn how to buy and sell collectible currency with confidence. This guide explains paper-money values, grading, rarity, star notes, fancy serial numbers, printing errors, professional certification, and the best ways to evaluate and protect a currency collection.
What Do 10K, 14K, 18K, 22K, and 24K Gold Stamps Mean?
What do 10K, 14K, 18K, 22K, and 24K stamps mean on gold jewelry? Learn how karat markings identify gold purity, what common fineness numbers mean, and why professional testing is necessary when determining the value of gold.
How Paper Money Is Valued: A Complete Guide for Collectors and Sellers
Curious if your old paper money is valuable? Learn how collectors determine the value of U.S. currency based on condition, rarity, serial numbers, printing errors, and historical significance in this complete beginner's guide.
The Peace Dollar: The Coin That Commemorated the End of World War I
Discover the fascinating history of the Peace Dollar, America's iconic silver coin created to commemorate the end of World War I. Learn about its design, key dates, silver content, rarity, value, and why it remains one of the most sought-after collectible coins in the United States.
Common Misconceptions About Jewelry Value: What Your Jewelry Is Really Worth
Many people overestimate—or underestimate—the value of their jewelry based on common myths. Learn the truth about what really determines the value of gold, silver, platinum, diamonds, and estate jewelry. This guide explains the biggest misconceptions and how professional buyers accurately evaluate jewelry before making an offer.
How Gold, Silver, and Platinum Jewelry Is Valued: A Complete Guide
Learn how gold, silver, and platinum jewelry is valued. Discover how purity, weight, market prices, gemstones, designer brands, and professional testing all influence jewelry values in this comprehensive guide from Sahara Coins & Precious Metals.
The Benefits of Investing in Physical Precious Metals
Discover the benefits of investing in physical gold and silver. Learn how precious metals can help diversify your portfolio, preserve purchasing power, and provide tangible assets with global recognition in this comprehensive guide from Sahara Coins & Precious Metals.
Understanding Coin Grading and Certification: A Complete Beginner's Guide
Learn how coin grading and certification work, understand the Sheldon 70-point grading scale, compare PCGS and NGC, discover what CAC means, and make more informed decisions when buying, selling, or collecting coins with this beginner-friendly guide from Sahara Coins & Precious Metals.
Coin Collecting for Beginners: Everything You Need to Know to Start Your Collection
Thinking about starting a coin collection? Learn the basics of coin collecting, how to choose what to collect, understand coin grading, avoid common beginner mistakes, and discover how Sahara Coins & Precious Metals can help you build a collection you'll enjoy for years to come.
Silver Bullion vs. collectible silver coins: What’s the difference?
Discover the differences between silver bullion and collectible silver coins. Learn how each is priced, what drives their value, and which option may be the best fit for your investment goals or coin collection.
Understanding the silver spot price and dealer premiums
Learn the difference between the silver spot price and dealer premiums. Discover why physical silver costs more than spot, what affects premiums, and how to make smarter buying decisions when investing in silver bullion.
How Gold prices are determined
Discover how gold prices are determined in the global marketplace. Learn what drives the price of gold, including supply and demand, inflation, interest rates, central bank activity, and economic uncertainty. Whether you're investing in gold or simply curious about the market, this guide explains the factors that influence gold prices every day.
Pawn Shop vs. Coin Shop: Where Should You Sell Gold, Silver, and Coins in Las Vegas?
If you're deciding between a pawn shop and a coin shop to sell your gold, silver, bullion, or rare coins in Las Vegas, knowing the difference can help you maximize your return. Learn why Sahara Coins & Precious Metals is Southern Nevada's trusted destination for expert evaluations, transparent pricing, and exceptional service when buying and selling precious metals and collectible coins.