Online Autograph Authentication
Do you require a reliable and professional authentication of an autograph without submitting the original item?
The International Autograph Authentication Board (IAAB) provides a secure and rigorous online autograph examination and certification service, designed to deliver accurate, well-documented conclusions if needed within a short timeframe.
Our examinations are conducted by certified handwriting and signature experts using a comprehensive and methodical approach aligned with internationally recognized standards.
Authentication Process
Simple, Secure and Professional
Authenticating your autograph with IAAB is fast and straightforward.
Step 1 – Submit Your Item
Upload clear images of your autograph or provide an auction link using our simple submission process.
Step 2 – Expert Examination
Your autograph is examined by certified handwriting experts using professional forensic methodologies and advanced analytical tools.
Step 3 – Receive Your Authentication Result
Within 24–72 hours, you receive the authentication conclusion.
If authentic, your IAAB Certificate of Authenticity (COA) is issued.
Authentication Methodology and Examination Standards
Expert Examination and Review
Each autograph submitted for online examination undergoes a detailed expert review. Our specialists analyze a wide range of characteristics, including but not limited to:
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Writing structure and stroke formation
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Line quality, rhythm, pressure, and execution
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Proportions, spacing, and consistency
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Known variations and evolution of genuine signatures
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Whenever appropriate, traditional handwriting expertise is complemented by advanced analytical tools, including digital comparison systems and artificial intelligence–assisted pattern analysis. These technologies support expert judgment but never replace professional human evaluation.
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Advanced Methodology and Technology
IAAB combines classical forensic handwriting examination techniques with modern technological resources.
Artificial intelligence and digital tools are used as supporting instruments to enhance comparison accuracy, detect anomalies, and assist in identifying consistencies or discrepancies across reference materials.
Final conclusions are always rendered by qualified experts, ensuring accountability, reliability, and professional integrity.
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Fast Authentication Turnaround
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Online autograph examinations are typically completed within 24 to 72 hours, depending on the complexity of the signature and the quality of the submitted material.
Each request is handled efficiently while maintaining the highest standards of analytical rigor.
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Affordable and Transparent Pricing
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IAAB offers competitive and clearly defined pricing for online autograph authentication services.
Our goal is to provide professional-grade expertise accessible to collectors, dealers, auction participants, and institutions worldwide.
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IAAB Certificate of Authenticity (COA)
When an autograph is determined to be authentic, IAAB issues an official Certificate of Authenticity (COA).
The COA includes essential identification details and reflects the expert conclusion reached through the examination process.
Certificates are available in:
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Digital format
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Paper format, upon request
Detailed Authentication Report (Optional)
For clients requiring additional documentation, a comprehensive authentication report can be provided upon request.
This report details the methodology applied, observations made during the examination, and the rationale supporting the final opinion.
Such reports are particularly suited for:
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Insurance purposes
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Auction submissions
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Legal or institutional documentation
Professional Standards and Confidentiality
All submissions are treated with strict confidentiality.
IAAB operates independently and objectively, ensuring that each examination is conducted without external influence and solely based on expert analysis.