Images courtesy of Superior Galleries

Significant examples:
"VG-10" (illustrated above).  Superior "Pre-Long Beach Sale", 06/2000:167, where it was described as follows: "1797 S-142 R5+ VG10 Slightly sharper with a rim dent at LI in LIBERTY and a few minor nicks on the bust tip. Otherwise nice for the grade. Glossy medium brown. EDS. The bottom of the obverse and top of the reverse are a bit weakly struck due to non-parallel die surfaces, but the date is still very clear. Graded VG10 by both Noyes and Bland. Listed as tied for CC#5 by Noyes, #8 by Bland, and most of the nicer ones have significant defects.
     Ex Elmer's Stamp & Coin Shop (Boston) 2/4/50-C. Douglas Smith-Dr. Robert A. Schuman."

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