| Issuer: Switzerland
Issue: Pro Juventute 1937 Date: 1937 (1937 sheets) INCOMPLETE Block 1 (2, 2 x 1) 1, 1: 30+10(c) d=girl 1, 2: 20+5(c) d=boy |
External links: Colnect 21978-..th_anniversary Record of changes |
| Issuer: Switzerland
Issue: Pro Juventute 1937 Date: 1937 (1937 sheets) INCOMPLETE Block 1 (2, 2 x 1) 1, 1: 30+10(c) d=girl 1, 2: 20+5(c) d=boy |
External links: Colnect 21978-..th_anniversary Record of changes |
