Thank you Thank you!!
Thanks to the sharp eyes of Cathy, this beauty was acquired at a local garage sale for $50 Great condition, no breaks, clean jaws, functional spring, intact rubber bumpers. Awesome!!!!
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This is called a Post Leg Vise. It is blacksmithing vise where the leg is mounted to the ground so that the force from hammering is contained. Most Vises bounce when you drive any real force, these do not.
Most go for a couple hundred bucks in intact condition!