Randall model 8 dating

[KaBar]

Just picked up another randall to use at work. Any idea of the age on this one? Blade profile looks different than other model 8s that I've seen.

Knife is still in transit so these photos are the best I have.

https://www.ebay.com/itm/Vintage-Ra...7cea191:g:-XIAAOSwqA1er47p#vi__app-cvip-panel

 

[Melvin-Purvis]

'73-'77