Meet The Experts

Read more about the experts we consult with on the show.

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Daniel Wulkan


Born in Schenectady, New York in 1971, Daniel Wulkan’s passion for sports memorabilia started as an innocent 10-year old kid. His grandfather owned a candy store in the Bronx, NY and used to bring Dan sports cards that he either collected or traded with his likewise sports-crazed friends. An avid Yankee fan, Dan’s connection with pinstripe legends such as Babe Ruth, Lou Gehrig and Mickey Mantle enhanced his desire to pursue the hobby as a potential way of life. After graduating from New York Tech college, Dan eventually moved to Hollywood, CA. in 1994 to explore a career in the motion pictures industry; with his vast resume including working with Robert DiNero on the popular movie “A Bronx Tale”, as well as working at Warner Brothers studios on the shows “Step By Step” and “ER”. While Dan is still immensely involved in the film industry and is a member of the Producer’s Guild, his unbridled obsession with both sports and non-sports memorabilia eventually led him to becoming a partner with the world class memorabilia auction house Memory Lane Inc. since 2006. He has accurately appraised a seemingly countless number of collectibles in his prestigious career, and whether it is a signed Babe Ruth artifact, Marilyn Monroe cancelled check, Sandy Koufax game used jersey, or any renowned sports or entertainment marvel, Dan Wulkan’s expertise is second to none in the industry.

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Alex Cranmer


Alex was born in the the antique military business and is the president of International Military Antiques which was founded by his father Christian nearly 40 years ago. He has been the antiques arms and militaria expert on Pawn Stars for dozens of episodes specializing in vintage military items dating from 1645 to 1945 varying from WWII Jeeps to Revolutionary War muskets. IMA supplied historically accurate weapons for multiple Hollywood productions including “Saving Private Ryan” and “Band of Brothers” as well as pieces for some of the world’s foremost museums including the National WWII Museum in New Orleans and the National History Museum of Los Angeles.

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Rebecca Romney


Rebecca Romney’s background is in Linguistics, Classical Studies and Philosophy. Languages are one of her chief passions: she speaks three (English, French, Japanese) and reads in six (Ancient Greek, Latin, Old English). She can recite poems in each. Currently working at Honey and Wax Booksellers, she recently wrote and published “Printer’s Error” available here.

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Steve Grad


Steve Grad has been the primary autograph authenticator on “Pawn Stars” since 2012. He has authenticated many of the finest pieces in the sports collectible hobby, including the highest graded Babe Ruth single-signed baseball and the only known Joe Jackson signed photo. Grad most recently served as the principal authenticator for PSA/DNA, and now is the principal authenticator at Beckett Authentication Company.

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Steve Johnston

Rogue Toys

Steve Johnston started buying, selling and collecting toys in his teenage years and has been doing it ever since. He loves the fun nostalgic feeling when finding toys from his childhood or rare gems that are highly sought after in the toy collector world. He first started selling toys from his house, moved into a warehouse and finally opened up Rogue Toys in 2012, right across from Gold and Silver Pawn. Since then, he has opened up multiple locations in Las Vegas, Nevada and Portland, Oregon. His toy expertise is focused on uncommon, obscure and hard to find vintage/antique toys, along with pop culture figures and memorabilia.

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Michael Yamasaki


Mike Yamasaki was born in Los Angeles, California and is a 3rd generation American of Japanese descent. As a youngster, he became interested in Japanese swords from his grandfather's influence. Since then, he has studied in both the US and Japan at the Japanese Sword Museum (NBTHK). In 2001, he became the first, and only, All Japan Appraisal champion outside of Japan. He continues his studies abroad to this day, and teaches at several venues and also curates Japanese Sword exhibitions at various Museums. One of his goals is to promote Japanese culture in the US, he is also one of the longest used experts on Pawn Stars. You can see more of his work and collections at

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Warwick Stone

Warwick Stone Creative Services LLC

Warwick Stone started his career in Rock ‘N’ Roll in the 1970s when he moved from the UK to Los Angeles to expand his business as a leather tailor to rock ‘n’ roll’s elite. At that time his clients included Freddie Mercury and Brian May of Queen, Rod Stewart, and Fleetwood Mac. 

The first Hard Rock job came installing the famous surf-green '59 Cadillac that jutted out of the roof of the LA Hard Rock Café for almost 25 years. Warwick was a major catalyst in the evolution of Hard Rock Café, he designed and furnished 15 unique international Hard Rock Café flagship locations and was the creator of the signature huge Hard Rock neon guitar signs outside at each location.  

For the first Hard Rock Hotel and Casino in Las Vegas, he was personally responsible for developing the overall theme of all of the casino’s public spaces. This included masterminding the signage, lighting, chandeliers, gaming equipment look & feel, and all memorabilia displays. 

In 2007 he moved to Las Vegas to join Hard Rock Hotel under it's new ownership and concentrate on the memorabilia & theme aspect, helping to expand the brand into Franchise Hotels and completing 5 more Hotel/Casino openings before retiring from the Casino life. After earning Auctioneer and Personal Property Appraisal credentials, Warwick opened his Design and Appraisal business in
Nashville, Tennessee.  

In 2015 he was invited to be an "expert" on the Vegas-based TV show PAWN STARS and
has contributed enough episodes each season to be regularly referred to in the street as "That Guy from That Show". a salutation he really appreciates. 

He can be contacted on his website

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