Stunning olive green and gold floor length beaded dress with pleated slits

Stunning olive green and gold floor length beaded dress with pleated slits. Worn once to a family wedding years ago and have not been able to part with it. Has been dry cleaned. Beads is perfect condition. Working side zipper. RUNS SMALL!!! (I'm generally a size 4 - this is an 8). Also small discoloration on left thigh area that you can barely see - see final pic)