Infiniti Paris sheath dress w/jacket size 8

Infinitif Dress with matching jacket. Burgundy with purple flowers. 100% silk. Double shoulder strap. Empire waist. Button up jacket.Bought in Paris in 2000. Worn once.Tag reads size 40. Equivalent to a size 8 in US. Approximate measurements of dress are bust at armpits is 38 “, waist is 30”, hips are 39”. Overall length is 32”. jacket is approximately 39” at bust , overall length from shoulder to hem is 23”