The image is a photograph of a sign posted on a metal pole in front of a military vehicle. The sign is white with black text and has a logo on the top right corner. The text on the sign reads "Phao 130mm" which translates to "130mm gun" in English. Below the text, there is a list of the guns that were used during the Vietnam War. 

The sign is located on the side of a green military vehicle, which appears to be a tank or armored personnel carrier. The background of the image shows a fence and trees, suggesting that the photo was taken in a park or military base.

At the bottom of the sign, it reads "Till the end of Hochiminh campaign."