This camera goes will be up sale at a local auction. What should my max bid be?

humanearth
This camera goes will be up sale at a local auction. What should my max bid be?
the camera is Graflex Crown Graphic 4x5 with135 mm lens Kit Large Format Press Film Camera

This camera was made from 1930s to the 1973

So what do you think my max bid should be.

(look at my Avatar Photo, same camera)
Updates:
2 mo
Camera went for 3,250. I never thought it would go that high
This camera goes will be up sale at a local auction. What should my max bid be?
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