That is a real style of Bal, yes! There's also one in black & white tones.... there's definitely a few variations. I vaguely remember seeing some for sale on the Barneys website and there have been a few threads about them on the Purse Forum, too.
http://www.barneys.com/Giant%20Latti...efault,pd.html
http://www.barneys.com/Lattice%20Are...efault,pd.html