Tahari belted coat black wool button down 6 vtg y2k

Tahari belted coat black wool button down 6 vtg y2k size 6 100% wool. the label is coming off on one side on the inside. being that it's vintage I'm not sure if the belt buckle is supposed to look like that or not. I've listed it as outerwear but this may actually also be a tuxedo dress potentially it is very heavy though