VINTAGE ANTIQUE Circa 1850 - 1900 Walter B. SEARS CO. HAND SAW 
11 TPI with a 20-1/4" cutting edge and 24" overall length
Brass tabs attach the blade - Clear Meddaliion
Walter B. Sears was established in the wagon making business at least as early as 1837.
Some source indicate that WB Sears was bought by another saw maker circa 1854 thus the rough dating.