CoinGrade

Grade coin surface condition from high-resolution obverse and reverse scans

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CoinGrade evaluates numismatic specimens by analyzing wear patterns, luster retention, and strike sharpness from calibrated coin scans. The tool maps surface relief loss against Sheldon scale benchmarks for US coinage and applies equivalent grading standards for world coins. Die variety identification cross-references known die markers from a curated attribution database of 42,000 die pairs.

Key Features

• ✓Sheldon scale grading
• ✓Luster retention analysis
• ✓Strike sharpness scoring
• ✓Die variety identification
• ✓World coin standards