Examples of the type

Picture 1 of the example of 1 Sol Picture 1 of the example of 1 Sol
© La Catastrophe ultraviolette (CC BY-NC-SA)
1923 – (en) KM#218.1 (small letters)
Picture 1 of the example of 1 Sol Picture 1 of the example of 1 Sol
© La Catastrophe ultraviolette (CC BY-NC-SA)
1934 – (en) KM#218.2 (large letters)