Help identifying Knife Marker

[mgawro01]

 

[craytab]

Pictures are great, but some words would help.

 

[riversidedep]

Looks like it was made from a file or rasp.

 

[eisman]

I'm pretty sure the "since 183x" marking is what's left off a Nicholson file.

 

[mgawro01]

9.5" knife stag handle with wood pommel, steel guard; marked 'X' on one side and Since 1836 on the other side

 

[mgawro01]

I'm pretty sure the "since 183x" marking is what's left off a Nicholson file.

Its actually Since 1836

 

[bubbaskyjacker]

Most likely a homo sapian made it.