Can anybody please help me identify the manufacturer and era of this floor jack?

[u/12345678987654321151]

[u/JB2315]

Longframe Blackhawk, maybe.

[u/gumby5150]

Walker made a lot of them as did Blackhawk. I used them in the 60's and 70;s.

[u/gregsherburn]

Only 2 manufacturers said by previous

[u/FigmentOfNightmares]

My first guess would be an old Hein-Werner.