Can anyone I.D. this old diff

[The Baker]

I know its old but dont know how old or what vehicle it fits

Images to follow

 

[The Baker]

Image 1.

 

[The Baker]

Image 2

 

[The Baker]

Image 3

 

[martygturner]

Its looks like its got an arrowhead on it so its pre 1980's and its a rear diff for a 4x4 so Landrover