Images courtesy of Superior Galleries

Significant examples:
"EF-45" (illustrated above).  Superior "Pre-Long Beach Sale", 06/2000:163, where it was described as follows: "1797 S-139 R1 EF45 Nice glossy chocolate brown with a dozen tiny specks of darker olive toning on the obverse and some reddish chocolate toning on the right side of the reverse. The surfaces are smooth with just a few trivial ticks on both sides, the only notable one a small rim nick at T in UNITED. Sharply struck LDS, the obverse die cracks clear. Tied for CC#6 in the Bland census, #8 in the Noyes census.
     Ex Dr. Charles A. Cass-Stack's 11/57:143-C. Douglas Smith-Dr. Robert A. Schuman."

Recent appearances:
VF-20.  Ex - Bowers & Merena Galleries' "The Cabinet of Lucien M. LaRiviere, Part II", March 15-17, 2001, Lot 2459, "B-21, Rev. of  97, Stems" sold for $287.50

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