Historical information
The special guest in the car appears to have arrived in Ballarat by train. Could it be William Birdwood to plant trees in the Ballarat Avenue of Honour? There is a band in the background. Note the folded back roof which allows the passenger to be seen by the public.
https://architectureau.com/articles/heritage-listed-gold-rush-era-ballarat-coffee-palace-receives-700000-conservation-grant/
Physical description
Black and white photos of a car leaving the Ballarat Station (possibly carrying William Birdwood?). Reid's Coffee Palace is in the background
Inscriptions & markings
Verso - Post (Correspondence)