Vintage MCM Forjaz hand painted tumblers Brazil color block blue green red six

This listing is for a set of six stunning mid century modern ceramic tumblers by Forjaz of Brazil. I've found only a few other items by this company posted online. It appears their pieces are quite rare, and their designs are revered within the community of the connoisseurs of MCM.
These tumblers are ceramic slip-cast and hand painted. They measure 5 x 3 1/4" in diameter. Overall, the set is in fairly good condition. Two pieces have hairline cracks, they appear to be usable, but definitely are structurally compromised. There also is some crazing and manufacturing imperfections on a few pieces, but nothing that would prohibit them from being used.