(Lettersheet) Mexican Mustang Liniment, large detailed view showing wounded Spanish soldiers using liniment with Indian & buffalo in background of erupting mountains and cherub holding testament and product, on folded lettersheet datelined "St. Louis, June 14/52", sent to Springfield, Ill. franked with clear to mostly large margin 1851, 3¢ orange brown tied by neat "Saint Louis, Mo., 3, Jun 15" integral rate cds, Very Fine, a marvelous medicinal advertising lettersheet design. Scott No. 10A  Estimate $500 - 750. First introduced in 1825 by George W. Westbrook of St. Louis, Missouri and later produced by Dr. A. G. Bragg and by the Lyon Manufacturing Company. The right to manufacture was passed to the partnership of Demas Barnes and Co. in New York, the largest patent medicine depot in the country, and to John D. Park in Cincinnati. "For the Outward Ailments of Man or Beast," Mexican Mustang Liniment claimed to cure over 30 ailments. The main ingredient was rather startling: the Liniment appears to have been mostly crude petroleum oil. $0 (Image)