21 to 24 year old home made red wine vinegar [Cooking]

Jun 10
One of the home brewers misplaced a carboy of red wine in his basement for what he estimated at the time to be 15 to 18 years, and it just so happened to turn into amazing vinegar. He gave out several gallons of that vinegar 6 years ago when he discovered his prize, and I was the lucky recipient of one of them!