I found a very old hand Digger-Axe from 1924

Hello today my NEW DIY video...
I found a very old hand Digger-Axe from 1924 (Restoration)
https://www.youtube.com/watch?v=Vf5SQ9Eowb8

You should have left it alone as an example of old time hand forging. And how did you know the date it was made?