Suffragette Demonstration in London with Vida Goldstein from Australia

[Vida Goldstein, Suffragettes]. 1911 pair of vintage silver gelatin photographs, in stereo card format, each with a serial number '11,950- or '11,951-, title with captions, 'Great suffragette Demonstration in London. Mrs. Fisher, Mrs, McGowen and Miss Vida Goldstein from Australia' and 'Great suffragette Demonstration in London. The Empire car (different Colonies) passing through Trafalgar Square.'  3.35 in. x 5.91 in. (approx. Each), laid down on original rose backing cards. (2)