Recent appearances:
VF-35.  Ex - Heritage Numismatic Auctions, Inc.'s "Long Beach Signature Sale", May 31-June 2, 2001, Lot 5599, not illustrated, sold for $1,092.50  Ex Greenwich Collection (Bowers and Merena, 1/91), lot 1014  From the Collection of Dr. Joseph M. Seventko

VF-30.  Ex - Heritage Numismatic Auctions, Inc.'s "Long Beach Signature Sale", May 31-June 2, 2001, Lot 5598, not illustrated, sold for $1,380.00  From the Collection of Dr. Joseph M. Seventko

Net Fine-12, sharpness of VF-20.  Ex - Bowers & Merena Galleries' "The Cabinet of Lucien M. LaRiviere, Part II", March 15-17, 2001, Lot 1662, "Overton-101", sold for $391.00

Fine/Very Good.  Ex - Stack's "65th Anniversary Sale", October 17-19, 2000, Lot 877, not plated, sold for $368.00

Very Good.  Ex - Stack's "65th Anniversary Sale", October 17-19, 2000, Lot 878, sold for $241.50

Sources and/or recommended reading:
"Early Half Dollar Die Varieties, Third Edition" by Al C. Overton and Don Parsley