Manufactured ca. 1923 (The Typewriter Database).
Paper table decal:
Decal above keyboard:
Click for a high-resolution version of the flying hands decal:
Feel free to use this image for a rubber stamp, stationery, or even a temporary tattoo. I did!
The No. 11 was touted as a fast and quiet machine, as in this Popular Mechanics ad from May 1923. These claims are ... well ... imaginative.