Recent appearances:
"VF-35".  Ex - Superior Galleries "Pre-Long Beach" Elite Coin Auction, May 25-27, 2003, Lot 434, sold for $5,175.00 Ex Thomas Cleneay-S. H. & H. Chapman 12/1890:1815-Peter Mougey-William H. Woodin-Thomas L. Elder #43, 9/1910:36-Dr. George P. French, 3/21/1929-B. Max Mehl 1929 FPL:181-Howard R. Newcomb, J.C. Morgenthau & Co., #458, 2/1945:180-unknown-George V. Nelson- Max Draisner 10/5/72-Del Bland 10/5/72-C. Douglas Smith-Dr. Robert A. Schuman. 

VF-30, Burnished.  Ex - Heritage Numismatic Auctions, Inc.'s "Long Beach Signature Sale", May 31-June 2, 2001, Lot 5370, not illustrated, sold for $276.00
 
VF-20.  Ex - Bowers and Merena Galleries' Robert W. Schwan Collection Sale, October 26-27, 2000, Lot 102, "Sheldon-145, First Hair Style", illustrated, unsold  From the Morgan, Leckar, Columbia, Time Capsule Collections, November 1998, Lot 1068

Sources and/or recommended reading:
"Penny Whimsy" by Dr. William Sheldon

Relevant collector organizations:
Early American Coppers Club