| Czechoslovakia | 
| First & Second Scout Cancel | 
| June & July 1931 | 
|   | 
|   Czechoslovakia's first cancels since the Scout mail service of 1918, commemorated the Slavic Jamboree in Prague with a handstamp cancel ("Slovanské Skautské Tábory") and a roller cancel (Tábory Slovanských Skautü). © SOSSI E-Mail to |