Vintage Allway Pistol Grip Hand Saw 
by Ultra MFG Co NYC - Patent No. 2017895
Measures:  10 1/4" long approximately
Has some light rust, but in awesome shape.
From smoke free home. Found in my father-in-laws tool box.
US patent 2017895 Allway Saw was issued to John E. Davey of New York, NY. It was granted on 10/22/1935. 
"pistol - grip" style saw handle.