stephen koschal posted a blog post
Steve Grad Continues Flawed & Fraudulent Authentications; Beckett Gets Bit By Another Bogus Burkett For Sale At GoldinPart 1 of a 3-Part Special Investigation By Peter J. Nash  When Steve Grad was the senior authenticator at PSA/DNA he was…
Monday
stephen koschal posted a blog post
GlossaryThe following acronyms are the most used in the listings of sellers of autographs, autograph auction houses and book dealers specializing in signed books. This list is expanded and brought up to date. (2024)AA:         Academy AwardADS:  …
Nov 9
stephen koschal posted a blog post
Bill Clinton – Two NEW Autopen DiscoveriesSince the publishing of the Official Presidents of the United States AUTOPEN GUIDE in 2009 by Stephen Koschal and Andreas Wiemer, two new AUTOPEN signatures of Bill Clinton have been discovered.Autopen #25,…
Oct 8
stephen koschal posted a blog post
Charlton Heston - Heavily forged and secretarial signatures in July 2020 a most interesting article was written in USA Complaints PSA DNA Authentication Services, etc.Names were dropped all over the place. Names easily recognizable to anyone in the…
Sep 22
stephen koschal posted a blog post
Close this window to return to BookThink Matters of AuthenticityA Review of Stephen Koschal's Certificates of Authenticity for Saleby Craig Stark#180 28 May 2019   The topic of signature authentication comes up perennially, and two questions in…
Sep 22
Tim Yasu commented on stephen koschal's blog post PADAH (Preferred Autograph Dealers and Auction Houses) Membership List
"This list is huge! I almost bought a Paul Revere document from University Archives for $20,000. I noticed they weren't part of PADAH so I was concerned. I asked an expert listed on PADAH regarding this Paul Revere document and was quickly told it…"
Sep 19
stephen koschal liked stephen koschal's blog post Beckett Authentication - Steve Grad another Major Mistake
Sep 15
stephen koschal posted a blog post
Steve Grad of Beckett Authentication screws up again.  He adds his signature to another worthless C.O.A.  in this case he signed his name on behalf of the Beckett Authentication "Experts."  As always, one will never know who made the decision on the…
Sep 15
stephen koschal posted a blog post
It's important to note that I cannot guarantee that any item will pass aurthentication by a third-party authenticator. Authentication decisions are influenced by various factors, including the methods and criteria used by the authenticator, as well…
Sep 10
stephen koschal posted a blog post
                                                                                                                                                                                             THE OFFICIAL LIST                             of Preferred…
Aug 30
stephen koschal liked stephen koschal's blog post Steve Grad of Beckett LEAD AUTHENTICATOR, AN INEXCUSABLE MISTAKE
Aug 12
stephen koschal posted a blog post
Just about any reference book on autographs will tell you that presidential land grants were hand signed by the president of the United States.  This practice stopped after 1834 as there exists only a half dozen land grants which bear the personal…
Aug 12
stephen koschal posted a blog post
Herman Darvick during the 1990's flooded the market with with knowingly or un-knowingly forged items signed by the popular artist Salvador Dali. Most items were high quality prints extracted from copies of books authored by Dali  Many of these type…
May 3
stephen koschal posted a blog post
 Herman Darvick of Rockville Center, New York is still claiming to be an autograph expert.  After dozens of years of denying he forges autograhps, with much preesure from those who witnessed him doing so, he finally came clean an admitted in writing…
May 2
stephen koschal posted a blog post
Here's one for the books. Send in your item to PSA and pay their fee for an autograph authentication and get it back authenticated "as genuine." Little while later send it back to them with their authentication sticker attached. You are sending it…
Mar 16
stephen koschal posted a blog post
Shame on the PSA/DNA sports authenticators. Sports authenticators listed on the PSA/DNA website are Bill Corcoran and Kevin Keating.How do they explain the following???  They can easily respond to this message near the bottom of this story.If you…
Mar 14
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