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The CoinSensei Blog

Expert guides on coin grading, valuation tips, market insights, and collecting strategies. Learn how to grade coins like a professional and maximize your collection's value.

Is Professional Coin Grading Worth It? Cost vs DIY - CoinSensei coin grading guide
Investing

Is Professional Coin Grading Worth It? Cost vs DIY

Compare the costs of PCGS and NGC professional grading services versus DIY alternatives. Learn when to pay for professional grading and when apps like CoinSensei are the smarter choice.

CoinSensei TeamMarch 16, 2026
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Coin Grading Scale Explained: Good vs Fine vs Extremely Fine - CoinSensei coin grading guide
Coin Grading

Coin Grading Scale Explained: Good vs Fine vs Extremely Fine

Understand the coin grading scale from Poor to Mint State. Learn what distinguishes each grade level and how grading affects your coin's value with real examples.

CoinSensei TeamMarch 16, 2026
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How to Grade Coins at Home: Complete Beginner's Guide - CoinSensei coin grading guide
Guides

How to Grade Coins at Home: Complete Beginner's Guide

Learn the fundamentals of coin grading with this comprehensive guide. Understand the Sheldon scale, essential tools, and step-by-step process to evaluate your coins like a professional.

CoinSensei TeamMarch 16, 2026
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CoinSensei

The AI-powered coin grading app that helps collectors value and manage their collections with professional-grade accuracy. Grade coins in seconds, not weeks.

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