Centering is only one part of condition; faults, gum, cancellation, color, and alterations matter.
Identification rule: record what is visible before assigning a catalog number or value.
What to record
- Margins or perforation clearance.
- Freshness and color.
- Gum state or cancellation quality.
- Faults, repairs, and alterations.
What commonly causes mistakes
- A high numerical grade cannot erase undisclosed faults.
- Different grading services may use different terminology.
- Used and mint examples require different evaluation.
A practical research sequence
- Identify the exact stamp first.
- Inspect front and back under magnification.
- Record every fault separately.
- Use expertization for consequential decisions.
Condition and value
Value depends on exact identity, condition, centering, gum or cancellation, faults, certification, demand, and a defensible comparison set. A famous design does not automatically make an individual example rare.
Compare current collector listings
Use listings to study descriptions, scans, certificates, and market supply. Asking prices are not completed-sale evidence.
Compare collector listings