The image is a photograph of a sign on a glass window. The sign is titled "Travelling Post Office Van 018" and has a red and white striped background. The text on the sign is written in black font and is divided into two sections. 

On the left side of the sign, there is an image of a train on the tracks with a blue sky and white clouds in the background. Below the image, there are two bullet points that explain the history of the traveling post office van. The first bullet point explains that the van was originally built in the early 20th century and was originally used by the Victorian and South Australian Railways. The second bullet point mentions that the post office was constructed for the Australian Railway and that it was the first post office to be built in Australia.

The sign also mentions that after being condemned in 1966, it was used for accommodation in a rural area in Australia, the post Office was located in the Northern Territory of Australia.