Yet another great Old Crow Sour Mash bourbon whiskey from yesteryear! As we state on all our Old Crow product pages, we love the taste of this dusty ole’ bird. The 6-year-old Old Crow Sour Mash was bottled in the 1970s, a time in which brand owner National Distillers flourished. And so did their whiskey. Too bad whiskey like this is no longer made, so all the more important to cherish each and every sip.