It's the Evening Bag... dressed up in gold satin with an overlay of cream coloured (embroidered, "potato-chipped" and beaded) organza.
You can also see the handles - which I think turned out remarkably well for cheap polyester satin (in a basic 4-fold strap contruction). I fused light interfacing to the fabric before I cut the strap. The folds were pressed into the fabric (like this) using a bias tape maker and a rajah cloth and then I slid in a strip of poly boning before topstitching each strap. They came out SUPER SMOOTH and shiny!
I also finished this today - it's in fabric by Amy Butler. It was cut out ages ago and has been one of those dribs-and-drabs construction projects. A seam here, a seam there.... months pass... eventually a bag emerges.
I added a structured base to this one - and purse feet. I also did a bit of scorching and shrinking of satin ribbon on the final press... but I'm going to keep that a secret.