Surly Brewing Darkness Poster 2020 $20.00 Default Title - $20.00 Quantity This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. Since there was no Darkness Day in 2020, this is your chance to get your hands on the poster. Each one is signed by artist Barbara Guttman. We have limited stock, so when they're gone, they're gone.