Sidney Holland was the first National Party Prime Minister of New Zealand, serving from 1949-1957. Although his face emboldens this cinema advertising slide few people directly voted for him at the time- the First Past The Post electoral system meant that you only voted for your local candidate. However, as party leader Holland was presumptive Prime Minister if his party took power.
Slides like this one would have been screened across New Zealand by almost all political parties. MAVtech has a range of these slides which we are uploading to Kete. Interestingly, Holland's is one of the few we have with the portrait of the party leader.