NEED HELP WITH A WINE

[paf]

i HAVE A BOTTLE OF 1982 cHATEAU oLIVIERE- gRAND cRU cLASSE - gRAVES BORDEAUX
i
i'VE HAD THIS SINCE 1984 AND IT HAS NOT HAD THE BEST OF TREATMENTS- MOVING- HOT COLD ENVIRONMENTS BUT i WANTED TO KNOW IF IT IS STILL GOOD- SHOULD i HOLD IT LONGER. IF i OPEN IT ON A SPECIAL OCCASION HOW SHOULD i DO THAT. pETER