Beautiful Yves Saint Laurent Vest with brooch

Beautiful Yves Saint Laurent Vest with a jeweled flower brooch on the left side, side right pocket decorated with silver and black disks with a red jewel. Wool front, satin back. No labels with size so please look at the measurements: length 23”, chest 19”, waist 19”. Rare. I could not find a picture of a similar one anywhere. Offers welcome!