Mono cles (it was a gift from my sister. I use it more than I ever thought I would. If I don't want to carry a bag, I simply put my driver's license and credit card in it, and go! Easy peasy.
Speedy 30 in both mono and damier ebene.
Palermo PM in mono.
I have a lot more, but these pieces are my work horses, love them and would never part with them.