(Medical - Medicines) Lyman Brown - Seven Barks, New York City, 4 covers showing different ads; two showing different 7 Barks Bottles, one franked with 3¢ Banknote tied by 1880 duplex and other franked with 1890, 2¢ carmine tied by 1894 machne postmark, 1885 allover shaded ad in green and buff cover showing Seven Dog Portraits; few flaws, Very Fine overall. Estimate  $200 - 300. $0 (Image)