Historical Collectible Consignment Directors

Headshot photo of Sandra Palomino
Sandra Palomino
Director, Historical Manuscripts
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1-877-HERITAGE (437-4824)   Ext.1107
Languages Spoken: English, Spanish
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Sandra Palomino has more than a decade of experience working with historical manuscripts, autographs, and rare books both via private treaty sales and auction. She has worked closely with private collectors as well as institutions here and abroad, most extensively with Fundación Castañe in Madrid, Spain. Her course of study at Yale focused on 18th and 19th Century American History. Her professional experience also includes direct marketing and public relations work with such noted companies as Rapp Collins and Donnelley Marketing.

Headshot photo of James Gannon
James Gannon
Director of Rare Books
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1-877-HERITAGE (437-4824)   Ext.1609
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James Gannon received his degree from the University of California at San Diego, and subsequently worked in the entertainment industry before finding his life's work in the world of books. The majority of Gannon's 26 years of experience in the rare book trade was gained through his association with Heritage Book Shop in Los Angeles. He has a special interest in travels and voyages, color-plate books, early printed books, and fine printing, but he has handled and cataloged volumes of all types. 

Headshot photo of Delia E. Sullivan
Delia E. Sullivan
Senior Specialist, Consignment Director-Ethnographic Art
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1-877-HERITAGE (437-4824)   Ext.1343
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With a Master's Degree in Cultural Anthropology from the New School for Social Research in New York City, Delia E. Sullivan studied Primitive Art with Ted Carpenter and Shamanism with Michael Harner. She worked for 14 years at Christie's in New York City, seven of which were spent as head of the American Indian Art Department. From 2000 through 2007, Delia managed two auctions a year in that capacity, during which she significantly raised the profitability and reputation of her department.

Headshot photo of Tom Slater
Tom Slater
Director of Americana Auctions
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1-877-HERITAGE (437-4824)   Ext.1441
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Tom Slater began his career in early 1960s Pittsburgh, where he owned and operated half-interest in a retail coin store. In the 1970s he published nationally distributed auction catalogs, specializing in political campaign collectibles. A cum laude graduate with a BA degree from Yale University, Tom also attended Columbia University law school. He became a full-time collectibles dealer in 1976, and operated art galleries in Los Angeles and Indianapolis through most of the 1980s. He ran The Political Gallery throughout the 1990s, which evolved into Slater's Americana. Tom joined Heritage in 2004.

Headshot photo of David Carde
David Carde
Consignment Director, Arms & Armor
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1-877-HERITAGE (437-4824)   Ext.1881
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A native of Puerto Rico, David moved to Chicago in 1993 to attend Prairie State College and the University of Illinois at Chicago. In 1998, to continue his studies he moved to San Francisco, where he decided to apply for a summer Firearms position with Butterfield and Butterfield Auctions, and he has remained in the auction business in San Francisco ever since. Since then, he has developed broad general knowledge of firearms, with specialties in early Spanish Miquelet firearms and other Latin America-related collectibles. David became a founding member of our San Francisco office and our Arms and Armor Department when Heritage acquired his employer’s auction company in 2011. He also travels extensively, representing Heritage at numerous gun shows throughout the country, and regularly appears as an expert-appraiser on Antiques Roadshow.

Headshot photo of Craig Kissick
Craig Kissick
Director, Nature & Science
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1-877-HERITAGE (437-4824)   Ext.1995
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Headshot photo of Don Ackerman
Don Ackerman
Consignment Director
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1-877-HERITAGE (437-4824)   Ext.1736
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Don worked as an antique dealer in Ridgefield, Connecticut in the late 1970s  and issued mail auction catalogs of Americana in the late 1990s. He was a founder and president of The Association for the Preservation of Political Americana which operated for close to ten years and has maintained continuous membership in the American Political Items Collectors since 1964. In 1995, he helped found “The Rail Splitter”, a hobbyist organization for Lincoln collectors which issues quarterly journals and periodic auctions. He currently serves as Editor-in-Chief.  He has written dozens of articles on American political history and collectibles which have appeared in a variety of publications. He helped organize  three public exhibits:  the Dr. John Lattimer Collection at the Metropolitan Book Exchange 1995, Grant memorabilia at the Re-Dedication of Grant’s Tomb 1997, and the bicentennial “Abraham Lincoln in New York” at Federal Hall.


Headshot photo of Marsha Dixey
Marsha Dixey
Production Manager
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1-877-HERITAGE (437-4824)   Ext.1455
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Marsha Dixey has worked in the Americana collectibles business for almost 30 years and is a widely acknowledged expert generalist, handling most anything falling under the "Americana" genre. Her interest in American social history has made her an expert in Woman's Suffrage items and African-Americana. She has dealt in premium antique advertising for years, was elected to serve two years on the Board of Directors for the Antiques Advertising Association of America.

Headshot photo of Jenny Milani
Jenny Milani
Assistant Director, Nature & Science
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1-877-HERITAGE (437-4824)   Ext.1617
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Jenny Milani is the Assistant Director of the Nature and Science department. She has an Honors Bachelor of Arts degree in Anthropology from the University of Texas at Arlington. She then went on to receive a Master in Archaeology degree from Flinders University in South Australia. After her master’s degree, she received real life experience while serving two years in the United States Peace Corps as an environment volunteer in Jamaica.