Paper Trail
TTB Clears a New Copperworks Distilling Co. Doubleback Cabernet Cask Label
A new American single malt whiskey COLA for Copperworks Distilling Co. Doubleback Cabernet Cask just showed up in the TTB Public COLA Registry (Washington).
Copperworks Distilling Co. Doubleback Cabernet Cask has a fresh Certificate of Label Approval on file with the Alcohol and Tobacco Tax and Trade Bureau — logged as a American single malt whiskey COLA completed 09/19/2026 out of Washington.
Think of a COLA as the paper trail, not the release calendar. It’s an early look while we wait on the brand. Swing by Labels again soon; we’re watching the registry so you don’t have to.
Source: TTB Public COLA Registry (TTB ID 26257001000653).