J&B Rare hip flask

J&B Rare Blended Scotch Whisky is a well-known brand of Scotch whisky produced by Justerini & Brooks. The flask in the image appears to be a promotional item or a vintage collectible related to the brand. J&B Rare is a blend of 42 malt and grain whiskies, mostly from the Speyside region of Scotland. The brand was created to appeal to the American market after the end of Prohibition in 1933.