how can I find the value of my wine

[jonEllihou]

Hi,
A friend of mine gave me some vintage bottles of wine and I'd like to know what there woth. I was hoping you could help me out and give a gestamite or guid me to a user group that can give me more information. The bottles include:

Volnay santenots 1961
Hospiccsde Brannc
Biondo Santi 1970
Bottiglia
Durhart 1929
Brane canten ac
Marguux 1970

I'd appreciate any and all the help you can give me.

Thank you,

Jon Ellihou