Disston No. 4  Backsaw

Disston No. 4 Backsaw (8 Inch : Type 3^{) 2}

Blade Dimensions: 8 inches long
Cutter:
Construction: 
Finsh:
User Info¹: .
Average Price³: $25 to $50

Type 4:
Type 3:
Type 2:
Type 1:

Sources:

1.

2. Disston No.4 Backsaw, 8 Inch Blade : Type 3, Tool Collection of Gordon Muster. Plane purchased on EBay $35

3. Guess by GLM based on watching Ebay a few years