Hi all,my friend has this piano wood top signed by many Hollywood individuals from the 1930's.i zoomed in and looked at the sigs and I noticed it was signed by Eleanor Roosevelt ,I also see Red Skelton,and also a couple of more people I recognize.he want S to sell it.Does anyone one know what we are looking at here?there are a lot of signatures on this thing.What is this piece worth?Any input would be appreciated. Thx in advance.