How to Store and Protect Your Precious Metals Collection
A practical precious metals storage guide: how to store silver and gold bullion, avoid PVC and toning, choose home vs. bank storage, and insure your collection.
Collecting & Bullion Education
The fundamentals: spot price and premiums, purity and grading, copper/silver/gold basics, storage, and how to read a coin.
How to Read a Coin: Obverse, Reverse, Privy Marks, and Finishes
Learn how to read a coin: obverse, reverse, field, relief, and edge anatomy, plus privy marks, mint marks, and finishes like proof, antiqued, and colorized.
Mintage, Purity, and Grading Explained: A Collector's Guide
A clear coin mintage purity grading guide for collectors — how mintage drives value, what .999/.9999 fineness means, and how certification reads on product specs.
Copper Bullion 101: Why Collectors Love .999 Copper Rounds
A beginner's guide to copper bullion and .999 copper rounds — formats, why copper is an affordable entry point, care and toning, and collecting custom copper series.
Gold vs. Silver Bullion: A Beginner's Guide to Starting Your Stack
New to stacking? Compare gold vs silver bullion on price, premiums, weights, liquidity, and storage, and learn how to start your stack the right way.
Spot Price and Premiums: What Drives Bullion Prices
Understand spot price and premiums in bullion: how the spot market sets the floor, why premiums vary by mint, design, mintage, and demand, and how to read pricing.
Welcome to the 320 Coins Blog
News, drops, and collecting guides for precious metals and certified coins from 320 Coins.
Other categories
Selling on Online Platforms
Seller playbooks for coins & bullion on WhatNot, Facebook, Instagram, and TikTok — pricing, photography, live selling, shipping, and avoiding scams.
Wholesale & Sourcing for Resellers
Source inventory to resell: resale certificates, wholesale tiers and MOQs, supplier vetting, and building a reseller brand.
Custom & Limited-Edition Bullion
How custom rounds are designed and minted, finishes explained, themed series, and why low-mintage exclusive designs hold value.