Recent appearances:
VF-35.  Ex - Bowers and Merena Galleries' Robert W. Schwan Collection Sale, October 26-27, 2000, Lot 130, "Sheldon-228, 1/000", illustrated, unsold  From the Louis E. Eliasberg, Sr., Collection, May 1996, Lot 516

Net VF-30.  Ex - Bowers and Merena Galleries' Robert W. Schwan Collection Sale, October 26-27, 2000, Lot 131, "Sheldon-228", not illustrated @ $368.00  From Stack's sale of October 1978, Lot 582

VF-20.  Ex- Stack's "The September Sale", September 12-13, 2000, Lot 75, "Sheldon-228" @ $195.50

F15.  Ex - Superior Galleries "Pre-Long Beach Coin Sale", May 27-29, 2001, Lot 1137, not illustrated, sold for $103.50

Del Bland graded Fine-15.  Ex - Ira & Larry Goldberg Coins & Collectibles, Inc.'s "Benson Collection, Part I", February 16, 18-20, 2001, Lot 346, "Fraction 1/000.  Sheldon-228, Rarity-2.  Ex: Howard R. Newcomb; J.C. Morgenthau & Co. #458 2/45:345 at $24.", illustrated, sold for $391.00

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

Relevant collector organizations:
Early American Coppers Club