Milionario Mundial 62
Editora e Comercial Campos Lopes Ltda.
Gregory Graetz has provided the following information about this set. It's not known how many different cards were issued, the backs of the cards include drawings of a wide range of items that can be had by exchanging 500 cards, items include footballs, dolls, food mixers, clocks, transistor radios, bedspreads, sewing machines, etc. The set is know as a vari-backed one, the backs of all the cards are different but each card only has one back design.
UPDATE (18-07-2020 11:51): Another ten names added, thanks to Paul Bowditch.