Anyone out there have any idea of what the value a set of House Jacks would be?
This particular set in the manuel kind with the poles. Not the Crank up kind..

My Grandfather used to have a General Contracting business from 1960's. We found these in the back of his shop recently.

I've searched internet, called local tool cribs. Some folks never heard of them too.

Thanks!
JiggyJacked