old Whyte & MacKay scotch whisky

We recently found some old bottles of Whyte & MacKay's blended scotch whisky. I have no idea how to find the value of these things, because they are very old, and I presume collector's items. If anyone can help it would be great!

1968 Canadian Club Imported Blended 6yr old mint

I have a bottle of Canadian Club Blended Canadian Whiskey 6 year old Whiskey. It is actually much old. The mint and sealed bottle is from 1964, making this Whiskey 45 years old. The bottle is mint, unopened with all seals unbroken. Can anyone tell me what it is worth? And, if there are intersted parties in it, you can contact me for that too!