Sheer Floral Dress with Slip

I bought this dress in London about 10 years ago, but I have only worn it a few times. Darling fluttery sleeves and tie in the back. It has a stretchy, form fitting white slip inside that has a little run in the front, but you can’t see it underneath the dress. Ready for a new home! It says size 10, which I think is an Australian size and 38 Euro, but it really fits like a US six.