Ox-Head beef splitter

[Adsmith79]

I recently inherited an old Ox-Head beef splitter clever. Does anyone know how to tell a rough age on it? The only markings are the Ox-Head stamp with W. Germany on it.

 

[Cementite]

Somewhere between 33 and 74 years old!

 

[KenHash]

I recently inherited an old Ox-Head beef splitter clever. Does anyone know how to tell a rough age on it? The only markings are the Ox-Head stamp with W. Germany on it.

Photographs would help.