How do you tell the age of kukri knife?

You can't - without a 'yardstick' as a reference point. If no-one actually knew when you were born, and you didn't know when your birthday was - you couldn't tell what your age was. There are still...

Ruger has sn data on their website that you can check.

There are several ways, generally only art professionals can do this but methods include calculating the quality of the materials vs. the yellowing, how deteriorated the painting is, cracking, the...

Hi there one of the ways to broadly find the age of the gun is to look at the proof marks this should be a small symbol roughly 5 mm X 5mm which will have been stamped on the action or on the breech...

by how its face looks!:):):):)$