21 year old wine...
You mean 1989?
If so, it was a great year throughout much of Europe. Many of the classified Bordeaux chateaus produced wines that are only now hitting their stride. Top red wines from Spain (e.g. Rioja, Ribera del Duero), Italy (Barolo, Amarone/Valpolicella, some Chianti Riservas, Taurasi), elsewhere in France (Burgundy, Rhone) and elsewhere (Lebanon's Château Musar, top Aussie Shiraz) are drinking beautifully. Some dry whites (Montrachet, Laville Haut Brion, Vouvray, Savennières, Jura's vin jaune) are still chugging along. Sweet whites from Bordeaux (Sauternes), the Loire (Coteaux du Layon, Vouvray), Alsace can be glorious as can German Ausleses and up. Some fortified reds like Banyuls are beautiful.
K&L in Hollywood has six bottles of 1989 François Pinon "Première Trie" Vouvray Moelleux. It's a library release. For $46 I'm guessing it's a steal. I keep meaning to buy some myself. It's popular with other wine geeks who've had it. It's not really that sweet, even though it's a Moelleux.