Images courtesy of Superior Galleries

Significant examples:
"VF-35".  Ex - Superior Galleries "Pre-Long Beach" Elite Coin Auction, May 25-27, 2003, Lot 147, sold for $20,700.00 Ex Jack Beymer-Ricky Gross (part of "The Baltimore Collection" sold intact to Dr. Wallace Lee 2/14/83)-Dr. Wallace Lee.
 
Recent appearances:
"F-15".  Ex - Superior Galleries "Pre-Long Beach" Elite Coin Auction, May 25-27, 2003, Lot 149, sold for $8,050.00 Ex Charles J. Dupont, Stack's 11/54:1071-Dorothy Nelson, Stack's 3/75:829-unknown-Bowers & Ruddy 6/20/77:3130 (unattributed)-J. R. Grellman, Jr.-Jack Beymer-Ricky Gross (part of "The Baltimore Collection") sold intact to Dr. Wallace Lee. 

VG-10.  Ex - Bowers & Merena Galleries' "The Cabinet of Lucien M. LaRiviere, Part II", March 15-17, 2001, Lot 2361, "B-2" sold for $483.00

VG-7 (illustrated above).  Rick DeSanctis - Superior Galleries' "Pre-Long Beach" Sale, June 5-7, 2000, Lot 55, where it was described as follows: "1803 C-2 R4+ VG7 Slightly sharper with a myriad of very tiny tick marks on both sides, none notable but too many to justify a higher grade. Medium brown and chocolate. The date and legends are clear. EDS, Manley state 1.0."

Good-5.  Superior Galleries' "Pre-Long Beach" Sale, June 5-7, 2000, Lot 56, where it was described as follows: "1803 C-2 R4+ G5 A point or two sharper but there are a few tiny pits in the field before the eye and the reverse is very slightly rough. Dark steel brown and olive, the obverse rather glossy. The date and legends are bold. MDS, Manley state 2.0."

Sources and/or recommended reading:
"American Half Cents - The 'Little Half Sisters' (Second Edition)" by Roger S. Cohen, Jr.

"Walter Breen's Complete Encyclopedia Of U.S. And Colonial Coins" by Walter Breen

Relevant collector organizations:
Early American Coppers Club