Examples of the type

Picture 1 of the example of 2½ Gulden - Wilhelmina Picture 1 of the example of 2½ Gulden - Wilhelmina
© La Catastrophe ultraviolette (CC BY-NC-SA)
1929 Seahorse
Picture 1 of the example of 2½ Gulden - Wilhelmina Picture 1 of the example of 2½ Gulden - Wilhelmina
© La Catastrophe ultraviolette (CC BY-NC-SA)
1933 Seahorse – deep hair lines