1967 1968 Jack Assembly 3rd Manufactuer

[Pacecar]

I am familiar with the Universal and Walker jacks. Has anyone seen either of these two jack types in a 67 or 68 Camaro? And who is the manufacturer

[67conv6cyl]

I have the jack pictured in a 67 Norwood convertible.

[Pacecar]

Here are more photos. Same ratchet part  but different mast and base