is this a buddy seat braket, seat id ?????

[jc]

in the first picture there is a bracket mounted to the back of the cab above the tank . is that a braket to keep the buddy seat off of the tank??
if it is i wish the seats where still there

in the second pic is the seat that was sitting in the cab and i was curious as to what it was from ,you fellas have any clue?? and dont supose its worth anything is it?
thanks for any help john