The 8th picture in this series.
A depiction of Snape as a double agent. The right hand man to both of the strongest wizards in the world. Quite an accomplishment really. He is probably one of the most successful double agents of any story I have ever read/watched.
For the first picture, go here: https://www.furaffinity.net/view/34119100/
For the previous one, go here: https://www.furaffinity.net/view/34194647/
For the next, here: https://www.furaffinity.net/view/34234294/