Item title reads - G.P.O. (General Post Office) London.
M/S's of people standing around a big van. The Post Master General makes a speech to launch the first mobile post office. He pulls the curtain back to reveal the big van, which will be going to big events like the Derby. M/S as he uses it to put in a call to Major Astor and proceeds to tell him all about the project. We see shots of post office people at work and the machinery to make everything go smoothly. M/S of two stamp machines on the side of the van. L/S of people watching. Major Astor wishes him every success with the venture.