50's-60's "Prom Purse" is a square box style, hard bag, covered with gold sequin fabric, with a gold satin lining.
It has a snap flap closure, and has a rounded top handle,(shown), and a 40" gold beaded braid shoulder strap.

6" x 6" x 2 1/2" wide at the bottom.
Handle is wrapped with gold beads and is 1 1/2" high. 

So many possibilities with this cute bag.

*Note- actual item does not have beaded edging.