Tibi 100% Silk Teal Sleeveless Maxi Dress- Read Description

Tibi sleeveless maxi dress, high neck with a split racer back, 100% silk outer and lining. Size 10 but cut is very slim (for context, I'm usually a 4). Hard to show in pictures but it is long, meant for heels. Some discoloration on the back, as pictured, and one very small dark spot on the back, also pictured