The Thomas C. McKinney Collection. September 13, 2002.
Thomas McKinney Collection US Postage Stamps Shreves Auction Catalog 2002
Values of US Stamps Scott Cat. # 192 - 1c 1880 Franklin Special Printing
The prize-winning stamps highlight Hartford's history back to the 1700s. They're going to auction with an expert 'bringing new life to stamp collecting.' – Hartford Courant
Alderfer Auction - Stamps
Gallery of Rarities
Robert A. Siegel Auction Galleries, Inc. Sale - 1075 Page 20
Rare 'Inverted Jenny' US Postal Stamp Sells for Record-Breaking $2 M. At Auction –
Stamps issued when Hawaii was kingdom going to auction
StampAuctionNetwork - The Top Stamp Auction Site
US Stamps Price Scott Cat. #388 - 1910 2c Washington Coil
Buy & Sell Books, Stamps, Documents, Military & Native American Images, Photos Auction
Robert A. Siegel Auction Galleries, Inc. Sale - 1003 Page 63
Important United States Stamps and Covers: Including the Creighton C. Hart Collection of 19th and 20th Century Issues (Stamp Auction Catalog) (Christie's Robson Lowe, Sale RLNY34, Oct 6, 1987): Christie's Robson Lowe