to find out the value of wine and brandy

[joseph j mason]

i have a bottle of leo buring res bin dr429 watervale shiraz cabernet 1970 vintage

and also a bottle of verry old brandy it is my brother in laws he got it for his 50th birthday he was told it was more than 100 years old he is now 65 so it must be worth some thing the name is calvados 1t has a crown on the seal I am looking for any one who might be able to give me some information