11” long, 2 ¾” across the blade.
3.85 troy ounces.
Mono MEG.
Some roughness on side of the blade.
 
Nathaniel Hayden who worked in NY and South Carolina was a Partner from 1846 to 1850 with William Gale in New York City NY as GALE & HAYDEN at 116 Fulton Street.
 
To find out more about this silversmith Google “American Silversmiths” and click on the first result for a great coin silver site!