Manufactured c. 1850 by the George Wostenholm firm of Sheffield, England, one of the largest Sheffield manufacturers and importers to the United States during the gold rush era and beyond. This knife is pictured on p. 211 of "The Antique Bowie Knife Book" by Adams, Voyles, and Moss, p. 62 of "Classic Bowie Knives" by Abels, and in "American Knives" by Peterson. The overall length is 17 1/8 inches with a 12 1/8 inch spearpoint blade faintly etched with "George Wostenholm Celebrated/CALIFORNIA KNIFE" on the left and the standard Wostenholm/I-XL markings on both ricassos. The handle is of German silver with an S-shaped guard and plain pommel, and it is fitted with horn grip scales with an escutcheon on the left.