Thanks everyone:
All your suggestions I've followed.
Scott, thanks for your valuable chat on the phone last night, you certainly know your stuff.
Dano, I will email you with whatever information I have. Too bad you live so far from Connecticut, I would hire you for an appraisal.
Jedi, thanks for your input and good wishes.
Rhumba and Kfingers, very helpful stuff, thanks a million all.
Mario

ps. I have taken someones advise and hired an apraisser in the area to check the piano