I found this bio for Arthur Nash:

Arthur Nash is a freelance archivist and a major contributor of historical objects to the National Museum of Crime and Punishment in Washington, D.C., as well as the Las Vegas Museum of Law Enforcement and Organized Crime, also known as the MOB Museum. In 2006, Nash introduced "MADE In America," the first public exhibition addressing gangland's enduring impact on our nation's pop culture. He currently resides at the landmark Hotel Chelsea in New York City.

In Googling further, I found a contact addy (via his publicist) and sent an email asking how he is attributing the Rectangle/Heart chips (shown for Florida on ChipGuide) as Brook Club chips from Saratoga Springs, New Youk, which appear differently on ChipGuide.

Jim