Images courtesy of Superior Galleries

Significant examples:
"AU-50" (illustrated above).  Superior "Pre-Long Beach Sale", 06/2000:153, where it was described as follows: "1797 S-131 R2+ AU50 Stemless Wreath Frosty steel brown and chocolate with mint luster in protected areas, especially on the reverse. There is a dull nick left of the C in CENT and a couple light marks at RI in AMERICA, none of these at all distracting. EDS. Graded AU50 (choice) and CC#1 by a full 10 points over the second best example in the Noyes census. The obverse and reverse are plated in Early American Cents and Penny Whimsy. Comes with a long, distinguished pedigree.
     Ex Peter Mougey-William H. Woodin-Thomas L. Elder #43, 9/1910:28-Dr. Henry W. Beckwith-S.H. Chapman 4/23:11-Elmer S. Sears-Howard R. Newcomb-J.C. Morgenthau & Co. #458, 2/45:155-Leonard M. Holland-Pennypacker Auction Centre 5/59-C. Douglas Smith-Bertram Cohen 3/30/85-C. Douglas Smith-Herman Halpern, Stack's 3/16/88:132-Roxanne Greenstein 8/25/88-C. Douglas Smith-Dr. Robert A. Schuman."

Recent appearances:
ANACS EF-40.  Ex - Bowers & Merena Galleries' "The Rarities Sale", 01/2001:25, "B-27", $1,265.00

VG-10.  Bowers and Merena Galleries' Robert W. Schwan Collection Sale, 10/2000:99, "Sheldon-131, No Stems", $264.50

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