Legendary organized crime leader who led the notorious “enforcement” syndicate Murder, Inc., which emerged in the early 1930s as successor to the warring Prohibition gangs and the old-line Mafia and continued to operate into the 1950s. Personal check, 6.5 x 2.75, filled out and signed by Lansky, payable to Dr. L. J. Porter for $4.00, November 8, 1948. The original recipient, Lowrie J. Porter, was a prominent New York orthodontist and onetime president of the New York Academy of Dentistry and the American Association of Orthodontics. Faint paperclip impression and usual bank stamps and punch cancellations (well away from signature), otherwise fine, crisp condition. LOA John Reznikoff/PSA/DNA and R&R COA.