Images courtesy of Superior Galleries

Significant examples:
"MS-62".  Ex - Tom Reynolds, August 1993 - Superior Galleries' sale of "The Robinson S. Brown, Jr." collection, June 2, 2002, Lot 3, illustrated, "Third Finest 1840 Newcomb-1...MDS, state b...Removed from an NGC slab graded Mint State-64 Brown."

Recent appearances:
"MS-60+".  Ex - Doug Bird - Gary Ruttenberg - McCawley & Grellman Auctions, Inc., August 19, 1995, Lot 263 - Superior Galleries' sale of "The Robinson S. Brown, Jr." collection, June 2, 2002, Lot 2, illustrated, "Finest Early State Newcomb 1...E-MDS, state a".

Del Bland graded MS-60.  Ex - Ira & Larry Goldberg Coins & Collectibles, Inc.'s "The Benson Collection - Part I", February 16, 18-20, 2001, Lot 534, "N-1", illustrated, sold for $575.00  Ex Rodney T. Grove; Robert Nofal and Lewis Kling; Auction '81 (Superior Galleries session): 559; unknown, M & G Auctions 9/97:255

"AU-55" (illustrated above).  Ex - Dr. Bob Shalowitz, March 1990 - Superior Galleries sale of the Wes Rasmussen collection, February 8, 1998, Lot 1 - Superior Galleries' sale of "The Robinson S. Brown, Jr." collection, June 2, 2002, Lot 4, illustrated, "M-LDS, state b."

"AU-50".  Ex - Doug Bird, May 1996 - Superior Galleries' sale of "The Robinson S. Brown, Jr." collection, June 2, 2002, Lot 5, illustrated, "...LDS, state b.

"EF-40".  Ex - J.R. Grellman, June 25, 1999 - Superior Galleries' sale of "The Robinson S. Brown, Jr." collection, June 2, 2002, Lot 1, illustrated, "EDS".

Sources and/or recommended reading:
"Attribution Guide For United States Large Cents 1840-1857", 2nd edition by J.R. Grellman and Jules Reiver

Relevant collector organizations:
Early American Coppers Club