I got No. 99 when I ordered No. 97, which would have sent me into a tizzy of journalistic integrity if not for my Quantum Ordering System. (To review: You're seeing the reviews in something close to the order in which I tried the sandwiches, but not exactly.)
So, yeah, it's brushed Oreos and whipped cream on chocolate bread. Yes, there's whipped cream on the side, too.
I'm not a big cookies-and-cream guy, but I liked it. I'm sure you would, too.
Montaditos down: 99
Montaditos to go: 1
Next: 100 Whipped cream with almonds, chocolate and hazelnut spread