Wallis size 18 on label but I’m not sure if this is generous so do check measurements below so I’ve written 16 aswell 

These are selling for £50 used on eBay 

Stunning Vintage 1920's Deco style Dress

Soft black with gold / mocha embroidery and lace

Embroidery as in last photo- please confirm you saw this

concealed side zip, fully lined

length from shoulder to bottom dress 50” so nice length – will go a couple of inches longer where the lace hangs down. Adjustable straps,

bust up to 42.5" and no bigger

waist up to 39”no bigger

Hips 52”

Any other flaws, if any, are incredibly minor and don’t stand out - I can’t see flaws