Social Bridesmaids dusty blue floor length gown

Has two slits on the front of the dress as shown in picture #2. Worn once as a bridesmaid. Has been dry cleaned. A few small, light stains barely noticeable. Tried to show them in pictures #4, 7, 8. Zips up back. Bust width= 18 inches from armpit to armpit Umpire waist width = 14 inches Length from top of shoulder to bottom = 54 inches Length from armpit to bottom of dress = 46 inches Hip width of lining = 22 inches