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The Short Answer
- AI banknote grading identifies country, denomination, series, and serial number.
- PMG-style grading evaluates corners, edges, creases, folds, and stains.
- Star notes and fancy serial numbers can command significant premiums.
- Pre-screening helps avoid expensive grading on common notes.
PMG Grading Scale
Paper Money Guaranty uses a 70-point scale for banknotes. Grades range from Poor to Gem Uncirculated 70. Most collectible banknotes fall in the 63 to 67 range.Banknote Identification with AI
AI reads the front and back of a banknote to identify country, denomination, series year, signatures, and serial number. It can also detect currency type and security features.
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Condition Factors for Banknotes
Banknote grading evaluates corner wear, edge damage, creases, folds, stains, and structural integrity. Uncirculated notes must have no folds and sharp corners.Star Notes and Serial Number Varieties
Star notes are replacement notes with a star symbol in the serial number. Low serial numbers, radar serials, and binary serials can also add value. AI can detect these patterns.Frequently Asked Questions
What is the PMG banknote grading scale?
PMG uses a scale from Poor to Gem Uncirculated 70, with most collectible notes falling between 63 and 67.
What is a star note?
A star note is a replacement banknote with a star symbol in the serial number, issued when a note was misprinted or damaged.
Are creased banknotes still collectible?
Heavily creased notes are less collectible. Notes with no folds and sharp corners are preferred for high-grade collections.
Can AI identify banknote serial numbers?
Yes. AI can read serial numbers and detect patterns like star notes, low serials, and fancy serials.
Sources & Further Reading
PreGradeCards Research Team
Contributor
The PreGradeCards Research Team combines machine-learning engineers, grading analysts, and collector-education specialists to produce accurate, data-driven guides on AI card grading, professional grading standards, and collecting strategy.
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