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Expert Witness Services

Expert Witness Services

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Heritage Auctions is the largest collectibles auctioneer in the world. Our team of 100-plus experts specializes in over 40 categories, including art, jewelry, sports and other collectibles.

Our Appraisals team offers IRS and USPAP compliant reports on a range of entities from estate tax to charitable donations.

Heritage provides Expert Witness Testimony, Fair Market Value and Replacement Cost appraisals for purposes such as bankruptcy, divorce, equitable distribution, insurance, estate planning and more.

Heritage's growing community of more than 1 million collectors is a testament to our reputation and vast expertise.

Contact Our Experts

Ed Beardsley

Ed Beardsley

Expert Witness Services
1-877-HERITAGE (437-4824)  x1189

Meet our consignment experts

Headshot photo of Chris Ivy

Chris Ivy

Director of Sports Auctions
1-877-HERITAGE (877-437-4824)  x1319

Specialties: Sports Collectibles, Vintage Sports Cards
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Chris began working at Heritage Auctions in 2000 after serving as a professional grader with Sportscard Guaranty Corporation (SGC) in New Jersey. He was the driving force behind the inception of the Sports auction division in 2003 and under his management Heritage Sports has grown significantly each year to become the largest sports auction house in the world with over $50 million in annual sales.

Chris has orchestrated the auction of some of the most important athlete collections in the industry including The Lou Gehrig Collection, The Walter Johnson Collection, The Jim Thorpe Collection, The James Naismith Collection, The Mike Eruzione Collection, The Sam Snead Collection, The Stan Musial Collection, and The Brooks Robinson Collection.  

In 2012, he supervised the marketing and sale of the most significant baseball card find in the history of sportscard collecting. Known as The Black Swamp Find, it included hundreds of 1910 E98 baseball cards, discovered by a Defiance, Ohio family while cleaning out a relative’s attic. The sale of The Black Swamp Find collection continues today and to date has brought over two and a half million in total sales.

Chris is recognized as a nationally respected expert in the industry with appearances on NBC's Today Show, CNN, ESPN, FOX News, and hundreds of print media outlets including The New York Times, USA Today, Sports Illustrated, and The Associated Press.  

Today Chris continues to serve as the Director of Sports Auctions for Heritage. In his position, he is responsible for the day-to-day operations, combining vision and execution with a balance of business and collecting passion. He counsels advanced collectors to help them build some of the most significant private collections in the hobby and he also works with consignors on a daily basis to recommend the disposition of their collections in order to maximize their financial return.

Headshot photo of Derek Grady

Derek Grady

Executive Vice President, Heritage Sports Auctions
1-877-HERITAGE (877-437-4824)  x1975

Specialties: Sports Collectibles
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A serious collector since the age of 9, Derek turned his passion for sports collectibles into a prominent career. Derek started his trading card profession as an eighteen-year old college freshman with the opening of his first sports card shop in his hometown of Johnstown, PA.  In 1998, he joined Sportscard Guaranty (SGC) as a professional grader, soon becoming their Director of Grading. For over two decades, Derek has been the #1 choice for most of our hobby’s foremost trading card connoisseurs and he continues to advise the nation’s leading buyers.  As Heritage Sport’s Vice-President and our Director of Grading, Derek has been instrumental in bringing numerous important collections to auction - including the Walter Johnson Collection, the Brooks Robinson Collection, the Gary Carter Collection, the Mike Eruzione Collection, the Dave and William Christian Collection, the Herb Brooks Collection and the Sam Snead Collection.

Headshot photo of Mark Jordan

Mark Jordan

Consignment Director, Sports
1-877-HERITAGE (877-437-4824)  x1187

Specialties: Entertainment Memorabilia, Historical, Sports Cards, Sports Collectibles
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Mark has been involved in the sports collectors industry since 1967 when he was a major league bat boy. He was the promoter for the first National Sports Collectors Convention in 1972 and is a nationally known expert in autograph authentication, appearing on NBC nightly news, The Today show, ESPN, USA Today, The New York Times, Sports Illustrated and other media outlets regarding collectibles. He has been named as one of the 10 most influential persons in the sports autograph industry by Trading Cards Magazine and his showroom was located in the Texas Rangers Ballpark in Arlington for seven years. He graduated from David Lipscomb University in 1976, where he also served as Sports Information Director.
Headshot photo of Peter Calderon

Peter Calderon

Consignment Director & Vintage Card Expert
1-877-HERITAGE (877-437-4824)  x1789

Specialties: Modern Sports Cards, Sports Collectibles, Vintage Sports Cards
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Peter Calderon grew up on the north side of Chicago, and, after earning his BA degree in Art from Columbia College of Chicago, he worked in advertising and marketing. He moved to Dallas in 2008 to join Heritage Sports as Consignment Director and Vintage Card Specialist. He has authored both feature articles and a regular column for Beckett Publications.
Headshot photo of Lee Iskowitz

Lee Iskowitz

Consignment Director & Vintage Sports Card Expert
1-877-HERITAGE (877-437-4824)  x1601

Specialties: Modern Sports Cards, Sports Collectibles, Vintage Sports Cards
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Lee is a twenty year veteran of the sports card and memorabilia industry.  Lee’s trading card expertise was cultivated through a four year tour as an expert for the Sportscard Guaranty Corporation (SGC), where he served as Senior Grader. Lee joined the Heritage team in June 2007 and now uses his specialized knowledge to maximize financial return for consignors of trading cards to Heritage Auctions.

Headshot photo of Jonathan Scheier

Jonathan Scheier

Chief Cataloger & Consignment Director
1-877-HERITAGE (877-437-4824)  x1314

Specialties: Sports Collectibles
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Jonathan is a fourth-generation New York Yankees fan who, for the better part of the past decade, has made use of a Creative Writing major as lead catalog writer for several of the top sports memorabilia auction houses in the industry, where he has personally researched and written the catalog copy for tens of millions of dollars of vintage sports memorabilia. He has served as a consignment director and as lead cataloger for Heritage Sports Collectibles since the summer of 2004.
Headshot photo of Chris Nerat

Chris Nerat

Consignment Director
1-877-HERITAGE (877-437-4824)  x1615

Specialties: Sports Collectibles
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Chris Nerat, a Wisconsin native and one of the hobby's best known vintage Packers memorabilia experts, received his Bachelor's degree in Communications, with an emphasis in Journalism, from the University of Wisconsin-Green Bay in 2001. Starting in the sixth grade Chris has worked in almost every aspect of the hobby: dealer, card show promoter, lead card grader and first hire for SCD Authentic, Cataloger/Consignment Director for American Memorabilia, at Upper Deck Card Company in its auction division and helped start up MEARS Online Auctions. Most recently Chris was an editor/writer at Sports Collectors Digest where garnered national attention when he conducted a two-month investigation regarding fraudulent game-worn Brett Favre jerseys. His greatest personal accolade came in 2017, when he was elected to the Board of Directors of the Green Bay Packers Hall of Fame, at historic Lambeau Field.
Headshot photo of Dan Imler

Dan Imler

VP - Sports, Private Sales & Consignments
1-877-HERITAGE (877-437-4824)  x1787

Specialties: Modern Sports Cards, Sports Collectibles, Vintage Sports Cards
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For more than 25 years Dan Imler has worked with buyers, sellers and conservators of some of the most prominent, valuable and historically important sports artifacts in the world and has earned a reputation as one of the industry’s most widely respected figures. Dan’s career in sports collectibles and antiquities began as a teenager working for his family’s third-generation auction company in Western Massachusetts. While pursuing his degree in Business Management from Springfield College Dan started a successful sports auction division in 1992. In 2000 Dan joined SCP Auctions of Laguna Niguel, Ca. As Vice President and Managing Director, Dan helped propel SCP to a leadership position in the sports auction landscape and led a broad expansion of the company’s private sales and client services division. Dan also helped facilitate the company’s five-year partnership with Sotheby’s, during which he directed some of the most prominent sports auctions on record. Throughout his career Dan’s expertise has been relied on by the hobby’s most advanced collectors as well as institutions such as San Diego Hall of Champions, Newport Sports Museum, Kentucky Derby Museum, Helms Athletic/LA84 Foundation and The Olympic Museum.
Headshot photo of Tony Giese

Tony Giese

Cataloger - Consignment Director
1-877-HERITAGE (877-437-4824)  x1997

Specialties: Sports Collectibles
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A lifelong collector, Tony grew up in Wisconsin and graduated from the University of Wisconsin-Green Bay in 2000 and worked at a number of newspapers before following his passion. Giese began his career in the sports memorabilia industry in 2005 at a prominent auction house. After six years, he moved back to Wisconsin and worked as a consignment director/cataloger at MEARS On-Line Auctions. His experience in the game-used industry made him an ideal fit for Heritage Auctions, where he has been since September of 2012. When not traveling to shows and visiting consignors, Giese is an avid fan of Wisconsin sports.
Headshot photo of Rob Rosen

Rob Rosen

VP, Private Sales & Consignments - Sports
1-877-HERITAGE (877-437-4824)  x1767

Specialties: Sports Collectibles, Vintage Sports Cards
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Rob earned a law degree from Brooklyn Law School before he began his professional career as the Regional Director of Promotion and Marketing for Atlantic Records, working with artists like Hootie and the Blowfish, Matchbox Twenty, Phil Collins and Jewel. He quickly realized, that he enjoyed his hobby in sports collectibles far more than his vocation and retired from the music business to dedicate himself full time to the hobby. Since making this switch, Rob has been involved in some of the most significant transactions in sports collectibles history, buying and selling millions of dollars in value of the hobby’s greatest treasures. He uses his vast hobby knowledge and clientele to further enhance Heritage Sports’ standing as the industry leader.

Headshot photo of Jason Simonds

Jason Simonds

Sports Card Specialist & Consignment Director
1-877-HERITAGE (877-437-4824)  x3002

Specialties: Sports Collectibles