The Black Box (1915)

I work for an auction house, specializing in stamps.Sometimes, while going through our purchases, unusual things present themselves.

Below are six "Movie Poster Stamps". They show scenes from Episode 10 of the silent serial "The Black Box". Research showed that this serial is nearly all lost. I believe that some of one episode still exists. The rest is gone.

The film itself was given a novelization at the time it was released, with about 30 scenes from the movie included. So, the story and some of the picture do exist. These stamps were used for many serials of the time. If you traipse about Google, you can find examples for serials like "The Goddess" and others, all of which appear to also be lost.

I wonder how many of these stamps still exist...