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Art Certification Experts
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About: Mark Winter is a seasoned art certification expert, fine art appraiser, and expert witness, with over two decades of experience in the global art market. A former associate at Sothebys.com and a senior specialist at Art Authentication Experts, Inc. Since 2003, he has worked on cases spanning authentication, attribution, appraisal, and the investigation of forgery, theft, and rediscovery. Mark and his team regularly collaborate with journalists and media across print, digital, radio, and film, providing expert insight into art authentication, attribution, and market trends. Their commentary has been featured in investigative reports, documentaries, news segments, and podcasts worldwide. Offering rapid fact verification (often within 24–48 hours) and multilingual interviews in 21 languages, Mark and his team support timely stories with accuracy and depth.
 

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06/23/2025
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