The answer would be watercolor paint. Due to how fast it dries and how light the colour is. I hoped this had helped you out.
Alright look, I am not 100% sure, but I am going to try to help you the best I can. I personally think it's in government archives because it would have been stored away there and would most likely be preserved so people can learn about it and it's origins.
Answer:
ummmm i don't think i can draw that
Explanation:
i am not a very good artist, and i don't draw
sorry
i'll try and attach one of my drawings
