It's been a while since I showed you the origin of any silhouettes, so I thought I'd give you another example.
It started with me searching Archive.org's text section for "ancient warfare." I was looking for more examples of warrior types which seem generally useful and hard to find. I stumbled on a text called "Explanatory notice on the display of ancient warfare representing the attack of the Burmese stronghold by the Siamese during their expedition against Tevoy in the year B.E. 2300 (1787 A.D.)." And it had this cover:
Next I cropped the figure:
And a Feather: