For almost a decade the poet Johann Wolfgang von Goethe studied the nature of color, until his investigations in 1810 led him to his book "Zur Farbenlehre". His water-coloured pencil drawings on the subject gained world fame.

Round keychain with rendition of the colour wheel of J W von Goethe.

Photoprinting on metal

Diametre 4 cm / 1.6 inch