In Search Of An Anne Barge Gown

I am looking for an Anne Barge gown I tried on over the weekend, in a size 6, 8 or maybe even 10. It is a little out of my price range and would love to find one used (but in good condition). I don`t know the style and it`s not on their website.

It`s a beaded sheath dress with a sheer illusion back with covered buttons, making it appear to have cap style sleeves in the front. I think it has a sweep train. Any info would be great.

I`m not interested in a replication of the dress. Thanks!

Michelle