Master of Malt is offering Twitter users the opportunity to win a bottle of Pappy Van Winkle's 20 Year Old Family Reserve Bourbon as the culmination if its #BagThisBottle competition.
To enter the competition today, you must follow both @MasterofMalt and @PappyVanWinkle on Twitter, and retweet the announcement of Friday's competition before 08:59 GMT on Saturday, October 31.
The competition has been running for two weeks with different prizes each day. Previous prizes have included new releases from Balcones and Compass Box.
This expression of Pappy Van Winkle bourbon retails for over £1,500.
This is the second time Master of Malt has run its #BagThisBottle promotion.
Its first outing in March this year saw competitors win whiskies from the likes of Bruichladdich, Balblair and Glenfarclas.
Pappy Van Winkle 20 Year Old Family Reserve won a double gold medal at the 2014 San Francisco World Spirits Competition.
It is widely regarded as among the best - and rarest - bourbons on the market.
All production of Pappy Van Winkle currently takes place at the award-winning Buffalo Trace Distillery in Kentucky, as part of a joint venture with the distillery's owners, the Sazerac Company.