Sada prikazujemo: Švicarska - Poštanske marke (1910 - 1919) - 1 marke.
1913
PRO JUVENTUTE
1. Prosinac WM: 2 Veličina lista: 50 Dizajn: Eugène Grasset Graviranje: Jean Sprenger Perforacija: 12 x 11½
![[PRO JUVENTUTE, Tip U]](https://www.stampworld.com/media/catalogue/Switzerland/Postage-stamps/U-s.jpg)
