Ex: Numismatic Gallery; John Jay Pittman; From The Phil Kaufman Collection of Early Seated Proof Sets, Part Two. The finest known, the only certified example, and possibly the only collectible specimen.
Ex: Dr. Philip Weinstein; Tony Terranova; Stack's; Leon Farmer; Hancock and Harwell; The Jeffrey Fisher-Duke's Creek Collection of Dahlonega Gold. From The Madison Collection. The Rarest D-Mint Dollar Top of the Condition Census