I like this pin because it reveals the process for creating the logo. I like how the top shows the various sketches, leading to the exact design chosen. I also like how the image is created completely from circles and curved lines.
How Corporate Logos Evolve infographic. This shows how recognizable logos have evolved over time. Logos like Shell and BMW have remained pretty much the same. Brands like Xerox, Pepsi, and IBM have modernized their corporate logos.