Recent appearances:
PCGS MS-64.  Bowers and Merena Galleries' Robert W. Schwan Collection Sale, October 26-27, 2000, Lot 86, illustrated sold for $5,520.00

PCGS MS-63 Brown.  Ex - Superior Galleries "Pre-Long Beach" Elite Coin Auction, May 25-27, 2003, Lot 395, sold for $6,037.50 Ex Rodney T. Grove-Robert Nofal and Lewis Kling-Cape Kennedy Medals 7/76:14-Robert Nofal and Lewis Kling-New England Rare Coin Auctions 3/77:591-Robert J. Reithe (Main Line Coin & Stamp)-Del Bland-Dr. Robert J. Shalowitz-Del Bland-Tom Morley-Del Bland-Ray Chatham-H. Lee Martens-1987 EAC Sale, 3/87:123-Donald H. Petersen-Tony Terranova- Stack's (privately) 9/26/88-Gilbert Steinberg, Superior 9/16/96:1564-Dr. Wallace Lee. 

"Uncirculated."  Ex - Henry Chapman, November 8, 1915 - New Netherlands 54th Sale, April 23, 1960, Lot 1368, sold for $165.00 - John Jay Pittman - David Akers Numismatics, Inc. "John Jay Pittman Collection - Part One", October 21-23, 1997, Lot 167, illustrated.

NGC AU-55 Brown.  Ex - Bowers & Merena Galleries' "The Rarities Sale", January 3, 2001, Lot 19, "B--8, Plain edge", illustrated, sold for $2,185.00

PCGS AU-50.  Ex - Bowers & Merena Galleries' "The Cabinet of Lucien M. LaRiviere, Part II", March 15-17, 2001, Lot 2438 sold for $2,127.50

EF-45.  Ex-  Heritage Numismatic Auctions, Inc.'s "October 2000 Long Beach Sale", October 5-7, 2000, Lot 6637, "Sheldon-78, Plain Edge", illustrated, sold for $1552.00

EF40.  Ex - Superior Galleries "Pre-Long Beach Coin Sale", May 27-29, 2001, Lot 1127, illustrated, sold for $1,610.00

VF-30.  Ex- Stack's "The September Sale", September 12-13, 2000, Lot 61, "Sheldon-78" sold for $437.00

VF-20.  Ex - Bowers & Merena Galleries' "The Cabinet of Lucien M. LaRiviere, Part II", March 15-17, 2001, Lot 2439, "B-8, Plain edge" sold for $718.75

Fine-12.  Ex - Bowers & Merena Galleries' "The Cabinet of Lucien M. LaRiviere, Part II", March 15-17, 2001, Lot 2440, "B-8, Plain edge" sold for $299.00

NGC Fair-2 Brown and Del Bland graded FR-2.  
Ex - Ira & Larry Goldberg Coins & Collectibles, Inc.'s "Benson Collection, Part I", February 16, 18-20, 2001, Lot 276, "Sheldon-78, Rarity-1, Plain edge, double struck mint error", not illustrated, sold for $218.00

Sources and/or recommended reading:
"Penny Whimsy" by Dr. William H. Sheldon

"Walter Breen's Complete Encyclopedia of U.S. and Colonial Coins" by Walter Breen

Relevant collector organizations:
Early American Coppers Club