Helen Hall is recognized as one of the world’s leading Film Memorabilia and Music Memorabilia appraisers with extensive historical knowledge of the market. Since launching Dig Appraisals in 2008, Helen has appraised over $100 Million of Entertainment Memorabilia, handling thousands of iconic objects, props, costumes, instruments, lyrics, and other memorabilia.

A former Vice President of Entertainment Memorabilia and Iconic Collections at Christie’s in New York and London, Helen worked on groundbreaking auctions, including Eric Clapton’s Guitars, The Estate of Marlon Brando, The Estate of Audrey Hepburn, and the Paramount Studios Star Trek Collection.

Helen is a Certified Member of the Appraisers Association of America, the highest qualification offered, as well as serving as a Board Member. All appraisals are USPAP (Uniform Standards of Professional Appraisal Practice) compliant and meet the IRS requirements for Estate Tax filings and Non-Cash Charitable Contributions.

Stephen Lane is the CEO and Founder of Propstore, having established the business in 1998. For nearly three decades Stephen has been a central figure in entertainment memorabilia and has been a key driver in the transformation of the space from a cottage industry to a mainstream collectibles field with global participation. He is today recognized as one of the world’s foremost entertainment memorabilia experts and has a vast personal network of global industry contacts. During his career Stephen has unearthed some of the greatest film and television treasures known to exist and has established relationships for Propstore with key partners and suppliers throughout the production and entertainment industry. He continues to have a direct role in sourcing top content for Propstore, and regularly acts as the face of the business speaking to mainstream outlets across all media and continues to champion the field and grow global awareness. Stephen oversees all of Propstore’s activities in the U.K. and U.S. and is based in London.

Brandon Alinger is the COO of Propstore and has been with the company since establishing the U.S. division of the business alongside Stephen Lane in 2007. Brandon manages the U.S. division of Propstore directly and works with the London team on global operations. He also works closely with many of Propstore’s longest-standing consignors and customers. Widely known in the collecting community as a treasure hunter, Brandon has located many pieces of film history that were previously thought to be lost. Prior to joining Propstore, Brandon was a collector, researcher and aspiring film historian. He founded one of the first online prop research communities, the RPF, in the late 1990s. His knowledge of film history led him to author or co-author several books including Star Wars Costumes: The Original Trilogy and Star Wars Art: Ralph McQuarrie; total print distribution on his works is over 40,000 copies. Brandon is based in Los Angeles.

Chuck Costas is the VP of Business Development at Propstore, having joined in 2018. Chuck is a lifelong collector in multiple memorabilia categories and was previously a Managing Director with 20+ years experience at a top global management consulting firm. Chuck is responsible for generating new business, managing studio-partner experiences and processes, and project promotion. He is an expert in comic artwork and comic books, serves as Creative Consultant to the travelling Marvel: Universe of Super-Heroes exhibit, and has curated original art exhibits since 2004 focused on comic book artist, Mike Zeck, in California, Maryland, and Florida. Chuck is based in Los Angeles.