Bills & Thayer/Manufacturers of Crystal Palace Mills Extra Fancy & Superfine Flour. Stunning embossed cameo corner card in brown showing design of the Crystal Palace Building on cover franked with 1851 3¢ dull red (just in at right) tied by neat blue "Troy, N.Y." cds, insignificant flap tear, Extremely Fine and choice, a lovely cover, a similar cover from the same correspondence with green cameo, sold in our Washington 2006 sale for $4,250, plus buyer's premium. Estimate  $2,000 - 3,000. $0 (Image)