What do I test and authenticate?
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I can identify and test precious gems like diamonds, sapphires, rubies and emeralds from simulants and gold & silver jewelry from faux metals. I am trained to recognize confederate & U.S. paper money, coins and art mediums like paintings, etchings and hot & cold cast mediums from replicas. For authentication, grading or anything else, please look below.
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Authenticating Autographs & Collectibles
I recommend 3rd party authenticating and grading on high value collectibles. Choose the company that attains the highest sold prices for the same or similar item. Below is the list of authenticating professionals I use.
I recommend 3rd party authenticating and grading on high value collectibles. Choose the company that attains the highest sold prices for the same or similar item. Below is the list of authenticating professionals I use.
Autographs
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Historical autographs can be submitted to PSA/DNA. From Babe Ruth & Marilyn Monroe to Abraham Lincoln, PSA/DNA can handle a variety of autographs. Turnaround time is approximately 20 business days once we receive your submission into our system.
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Sports & general memorabilia authentication
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At the Professional Sports Authenticator, signed autographs are authenticated by the world's foremost autograph experts using PSA/DNA's proprietary process to protect your genuine valuable collectible from any foul play.
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Coin authentication, grading & conservation
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Numismatic Guaranty Corporation certification guarantees the authenticity and quality of the coins you buy and sell online. All NGC-certified coins are encapsulated in our tamper-evident, state-of-the-art holder to maximize visual appeal and long-term preservation.
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Professional Coin Grading Service (PCGS), provides quality verification and authentication for all United States and World coins, including regular issues, proofs, patterns and mint errors. PCGS-graded coins are encapsulated in a tamper-evident holder and sonically sealed.
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At ICG we believe a successful grading relationship starts with the basics: Reliability, Integrity, Quality and Value. We have no membership fees, no minimums on submissions, and no extra forms to complete, all to ensure your experience is simple and straight forward.
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Paper money authentication, grading & conservation
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Paper Money Guaranty (PMG) is the most comprehensive third-party paper money grading and encapsulation service. With a knowledgeable staff of impartial paper money grading professionals, we're proud to be the most trusted paper money grading service for today's collectors.
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PCGS Currency is the market leader in third-party grading and authentication, grading more than 500,000 notes since founded in 2005. A true impartial third party opinion, backed by our grading guarantee.
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Currency Grading and Authentication (CGA), the country's first paper money grading service, was formed in 1998 in response to a high demand from collectors and dealers for an impartial third party grading service. We are dedicated to serving the needs of the paper money industry.
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Stamp authentication and grading
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Professional Stamp Experts PSE is the industry leader in rare stamp grading for both industry experts and home enthusiasts. We offer premiere stamp grading and authentication services, along with our unique Set Registry, Price Guide, and Population Reports. If stamps are your passion, you have come to the right website.
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The American Philatelic Expertizing Service (APEX) offers opinions on the genuineness of philatelic material at moderate cost. APEX utilizes the services of more than 140 specialists and high-tech equipment.
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Comic authentication & grading
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Certified Guaranty Company professional comic book grading eliminates concerns about grade misrepresentations by providing an expert assessment of condition and quality. Every comic book certified by CGC is graded by the hobby’s most experienced and trusted team, according to well-established grading standards.
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Magazine authentication & grading
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CGC graders provide impartial evaluations of collectible magazines. Because we don’t buy or sell collectibles, our sole focus is on providing magazine collectors with an unbiased opinion of quality and authenticity. CGC is an independent member of the Certified Collectibles Group, the leading provider of value-added certification services for collectibles.
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Diamond Origin, Grading, Dossier Or E reports
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Get the full 4Cs assessment with a plotted clarity diagram, geographic origin and GIA report number laser inscription. For loose, natural D-to-Z color diamonds only, weighing 0.15 carats or more that were submitted for rough analysis.
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Jewelry, watches, sunglasses, handbags & clothing
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Don't pay to authenticate your high end property. Just sell it! The Real Real will authenticate it, sell it and ship it for a small commission. Go to TheRealReal.com for details.
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