Images courtesy of WH

Significant examples:
MS-63 Brown.  Ex - Bowers & Merena Galleries' "The Rarities Sale", January 3, 2001, Lot 17, "B-10, Head of 1794", illustrated, not sold  From the collections of John P. Lyman, Charles M. Williams, Dr. William H. Sheldon, and R.E. Naftzger, Jr.  Sold by S.H. Chapman, November 1913, Lot 401; Numismatic Galleries (Abe Hossoff), November 1950, Lot 29; New Netherlands, November 1973, Lot 351; Stack's January 1987; and Superior, January 1989, Lot 3093

Recent appearances:
PCGS AU-58.  Ex - Superior Galleries "Pre-Long Beach Coin Sale", May 27-29, 2001, Lot 1099, illustrated, "...EAC grade EF45+.", sold for $5,462.50

VF-20 Corroded.  Ex - Heritage Numismatic Auctions, Inc.'s "Santa Clara Signature Sale", November 16-17, 2000, Lot 5039, "1794 Head of 1794, Sheldon-28, High Rarity-2", not illustrated, sold for $184.00

Net VF-20, sharpness of VF-30.  Ex - Bowers & Merena Galleries' "The Cabinet of Lucien M. LaRiviere, Part II", March 15-17, 2001, Lot 2421, "B-10, Head of 1794" sold for $690.00

VG10.  Ex - Superior Galleries "Pre-Long Beach Coin Sale", May 27-29, 2001, Lot 1100, illustrated, sold for $575.00

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