| Creator | Jules Courvoisier |
| Printing year | 1920 |
| Sheet size (cm) | 128.5×90.5 |
| Printing technique | Lithograph |
| Printer | Sonor |
| Condition | A- |
| Asking price | 1'300 CHF |
| Categories | Plebiscites & Campaigns |
«Swiss People, to work with them, join the League of Nations. It’s your duty! They will forge plowshares of their swords. Peace.»
The vote on the accession to the League of Nations took place in may 1920 – the proponents won pretty clearly.