Original US WW2 c.1942 Robeson Shuredge #20 Rochester NY 

MK1 Navy Fighting Knife with Leather Sheath

The inscription on the sheath reads 

"Dutch Harbor Alaska March 5. 43"

Guard has a bit of movement

8 3/4" total length

The blade is 5 1/8"

If you have any questions please feel free to contact me