Bullion & Investing
How to Calculate the Premium Over Spot Before You Buy Bullion
The price on a coin is metal plus premium. Here's how to work out each part, compare offers of different sizes fairly, and decide what you're willing to pay.
Blog
Notes from the stack
Guides to pricing bullion, valuing coins and keeping a collection in order, from the people who build My Coin Stack.
More posts
Bullion & Investing
Gold Coins vs. Gold Bars: Premiums, Liquidity and Resale
What you pay over spot for gold coins and bars at each size, how easily each one sells, and why the cheaper option to buy isn't always cheaper to own.
App Tips
How to Show Live Spot Prices on a TV in Your Coin Shop
Put live gold, silver, platinum and palladium prices on your shop's TV with a free app for Apple TV, Fire TV and Google TV. No computer and no extra cables.
Collecting Guides
Coin Grading Basics: What MS-63, VF-20 and 'Details' Mean
How the 1–70 Sheldon scale works, what the letters and plus signs on a slab mean, when third-party grading is worth paying for, and how to record grades.
App Tips
Coin Collection Spreadsheet vs. an App: What You Gain
Spreadsheets are where most collections start. Where they fall short: stale spot prices, hand-typed weights, fragile formulas, and a file stuck on one computer.
App Tips
Inside the Catalog: 65,000+ Coins From 200+ Countries
One search covers more than 65,000 coins from over 200 countries, with mintages, key dates and design notes, plus weights that fill in when you add a coin.
App Tips
How to Organize a Coin Collection So the Numbers Mean Something
A collection you've recorded and a collection you can report on aren't the same thing. Five habits that close the gap, and how to catch what's missing.
Collecting Guides
Junk Silver Explained: How Much Silver Is in Pre-1965 US Coins
Pre-1965 dimes, quarters and halves are 90% silver. How much silver each holds, how to value a pile of them, and how to check a 'times face' quote.
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