Leather Pouch Envelope Large, Golden Ratio

Portable pouch made of Cretan goat leather, and leather cord. Silkscreen printed.
Large size: 34.5 x 25.5 cm.
MADE IN ATHENS.
 
Throughout history, the ratio for length to width of rectangles of 1.618033988 74989484820 has been considered the most pleasing to the eye. This ratio was named the golden ratio by the Greeks. In the world of mathematics, the numeric value is called "phi" (φ), named for the Greek sculptor Phidias. The space between the collumns form golden rectangles.