Schpirerr Farbern- 72 count – Tin box
Here’s the image of my colour chart after 30 days exposed to sunlight. The column at the left was covered for comparison.
Another set where pink tones completely disappeared, being erased by the sun in just 30 days. That’s sad.
However, the good news here is that most colours stayed the same. We can clearly see that most did not change and kept their brightness and saturation.
Click on the image to enlarge: