Betar flag with the Hebrew motto "Freedom Comes before Peace", based on the original at Beit Hatfutsot, translated there as "Freedom Proceeds  [sic] Peace", and marked as "Unknown Source"; full identification is provided with Jabotinsky Institute photograph, identifying this as a flag used by an Austrian Betar unit in 1935. Note: this is the reverse side, which, in Jewish practice at the time, was often the main side of the flag.
Own work
Dahn