Images courtesy of Superior Galleries

Significant examples:
"EF-45" (illustrated above).  Superior "Pre-Long Beach Sale", 06/2000:150, where it was described as follows:
"1797 S-128 R3- EF45 Glossy dark chocolate brown. The surfaces are smooth and choice, especially the obverse. Late die state with the obverse extensively cracked and the "descending ramp" (area between two parallel cracks left of the lower curls) clear. Tied for CC#5 in both the Noyes and Bland census listings. Comes with an outstanding pedigree.
     Ex Dr. Thomas Hall 9/7/09-Virgil M. Brand-M.C. Brown-Associated Coin Auction Co. 10/55:1159 - Dorothy Paschal-Dr. William H. Sheldon 1/57-C. Douglas Smith-Dr. Robert A. Schuman."

Recent appearances:
Del Bland graded VF-30.  Ex - Ira & Larry Goldberg Coins & Collectibles, Inc.'s "Benson Collection, Part I", February 16, 18-20, 2001, Lot 298, "Sheldon-128, Low Rarity-3.  Ex: New England Rare Coin Auctions 7/78:73; Dr. Willard J. Carmel, Jr., Jack H. Beymer 8/4/82; Jack H. Robinson: Superior Galleries 1/89: 250; Jack H. Beymer; Grant O. Reed; Superior Stamp & Coin 9/98:1162.", $604.00

VF-25.  Ex - Bowers & Merena Galleries' "The Cabinet of Lucien M. LaRiviere, Part II", March 15-17, 2001, Lot 2457, "B-23, Rev. of 1797" $529.00

Del Bland graded VG-7.  Ex - Ira & Larry Goldberg Coins & Collectibles, Inc.'s "Benson Collection, Part I", February 16, 18-20, 201, Lot 299, "Off-Center.  Sheldon-128, Low Rarity-3", $402.00

Fine-12.  Bowers and Merena Galleries' Robert W. Schwan Collection Sale, October 26-27, 2000, Lot 98, "Sheldon-128, Rev. of 1797", $230.00

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