In nature's economy the currency is not money, it is life.
For this project 16 bills have been designed for financing the Lives of Birds and Insects. To make it more interesting, denominations on the bills are eccentric and harbor a secret perhaps not immediately recognizable kind of recreational math. The arrangement of the numbers is a magic square. Each number is used once. When columns are added up vertically, horizontally and diagonally they all will be the same total. 34.