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Coin collecting, one coin at a time

Piles of stacked gold bullion bars gleaming under soft lighting.
Gold and Silver

Bullion Coins or Bullion Bars? A First-Time Buyer’s Comparison

A side-by-side look at bullion coins vs. bars: premiums over spot, resale, divisibility, storage and counterfeit risk for first-time buyers.

By The 52Tunbi Coin Team
Rows of antique holed coins strung with cord across a weathered fabric surface.
Gold and Silver

What to Look For in Your First Silver Bullion Coins

A beginner’s checklist for buying silver bullion coins: weight, purity, fair premiums over spot, dealer checks and the red flags that signal a scam.

By The 52Tunbi Coin Team
A hand tucks a fan of 50 euro banknotes into the breast pocket of a gray suit jacket.
Paper Money

How to Grade the Condition of Paper Money

A four-step process for judging a banknote’s condition at home, using the terms dealers and collectors use, from crisp uncirculated down to poor.

By The 52Tunbi Coin Team
Hands holding a fanned stack of US hundred-dollar bills and a lit cigarette
Paper Money

7 Ways to Spot Fancy Serial Numbers on Bills

Seven serial number patterns collectors pay for, from ladders and radars to star notes, plus how to value a find and avoid misreads and altered bills.

By The 52Tunbi Coin Team
Close-up of a worn copper euro cent coin resting on a gray foam surface.
Coin History

How to Read the Designer’s Initials on U.S. Coins

Learn where Mint engravers hid their initials on U.S. coins, from the famous V.D.B. on the Lincoln cent to modern designs, and how to read them yourself.

By The 52Tunbi Coin Team
An old copper coin with natural toning resting on linen
Getting Started

Why You Shouldn’t Clean Your Coins

Cleaning coins causes scratches and strips their original surfaces, which usually cuts their value. Here’s what to do with dirty or toned coins instead.

By The 52Tunbi Coin Team
The eagle reverse of a U.S. quarter dollar on a black background
U.S. Coins

Collecting U.S. Quarters: States, Parks, Women and the 250th Anniversary

A guide to collecting America’s commemorative quarters, from the 50 State Quarters to America the Beautiful, American Women and the 2026 anniversary designs.

By The 52Tunbi Coin Team
Black digital scale with UNIT and TARE buttons and an empty display on a wooden surface.
Albums and Supplies

Buying a Coin Scale: What to Check First

A buyer’s guide to small digital scales for coins: 0.01 gram readability, capacity, calibration weights and the coin weights to check against.

By The 52Tunbi Coin Team
A close-up of a gold-colored dollar coin
Buying and Selling

How to Spot Counterfeit Coins

Which coins are most often faked, simple checks for weight, size, details and edges, the ‘COPY’ rule for replicas and how to buy with confidence.

By The 52Tunbi Coin Team
Silver coins on a dark surface
U.S. Coins

How to Spot Silver Coins in Your Change

Which U.S. coins contain silver, from pre-1965 dimes, quarters and halves to 40% silver halves and wartime nickels, plus quick ways to identify them.

By The 52Tunbi Coin Team

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About 52Tunbi

Beginner-friendly guides to collecting U.S. coins, from pocket change to grading, errors and selling an inherited collection.

We don’t buy or sell coins, and no dealer pays to appear here.

New guides
  • Buying Your First Ancient Coin: A Simple Timeline
  • When to Get a Coin Professionally Graded (and When to Skip It)
  • If Your Coins Have Green Crust on Them
  • What Coin Collecting Supplies Really Cost
  • What a Coin Appraisal Really Costs
Topics
  • Albums and Supplies (7)
  • Buying and Selling (6)
  • Coin History (5)
  • Getting Started (6)
  • Gold and Silver (5)
  • Paper Money (7)
  • U.S. Coins (5)
  • World Coins (6)
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© 2026 52Tunbi · Beginner-friendly guides for coin collectors