Vintage 60s ivory lace maxi dress with blue satin godet

Vintage ivory yellowed lace dress with blue satin godet. The story is that this was custom made for a ball in Washington D.C. in 60s. The lace has yellowing but would be good for a costume or used as a pattern or historical reference. Armpit to armpit: 16” Waist 13” Length from top of shoulder strap to hem: 54.5” Width of blue satin 1.5”