Hi all! I have quite an old bottle of champagne (from 1982). I plan on opening it, but I’m not sure how to go about it. I suspect it’s well past its best, and may well be flat, but I just don’t know. Any tips? Thanks!![https://i.imgur.com/4k6deJp.jpg](https://i.imgur.com/4k6deJp.jpg)

Dining and Cooking