Sorry, but I really don't have an answer because I also have an unopened bottle of this. I have done a little searching and from what I can find, the value does not go up much for crown.
just sold on eBay for $370...
100.00
1 million pounds and 8p
The same that it is now. That brand is far to common to be considered a collectible.
600
The same as a bottle from today. That brand is far too common to be a collectible, unless it was released as a collectible,
1969 bottle unopened carleton canadian whiskey
Around $12.50 for an unopened 8oz bottle.
what is the 1981 royal wedding commemorative crown worth
About $20
ebay sellers generally look for $5-8 per bottle. The real question would be whether or not the bottle is empty or full.
$50
199$
big bucks