The supply of it, the lack of it, the oversupply of it or wastage. When one considers that apart from working, watching TV, walking (transporting) and washing (for some) this is the fourth or maybe the third biggest consumer of time for the human race.

Therefore, considering the importance why doesn’t the subject appear on banknotes more often? Try looking at the currency of the world and see how many times food is featured. Sure there are the FAO coinage issues of the 1970s, however the paper currency of most countries prefers to display leaders, monuments and other safe subjects that will not incite riot and rebellion.

Controversy

Relative importance in comparison to other subjects is, I suppose, the major criteria. In first or second-world countries, there are other political and economic situations to be considered. Then the subject becomes a political football in third world countries where famine may rear its head.

The Sudan and Somalia governments would be committing political suicide, should they consider showing fruit and vegetables on the currency when most of it cannot be used to purchase even a minimal lifesaving quantity of food…