National Chicle Co. issued two card sets between 1934 and 1936 - the 192 card Batter Up set and the 108 card Diamond Stars set. Both of these sets were issued over the full three year span. For the Diamond Stars set, this resulted in many different varaitions of backs for some cards, as they were updated from one year to the next.
Diamond Stars (R327) 1934-1936 (Set size 108)