Swift is a well-known bicycle name dating back to 1869 when the Swift Bicycle Company was established in Coventry, England. Here is an advertisement for a Nippon (Japan) Swift bicycle from around 1924.
The Nippon Swift Company (N.S.C) had a unique logo, a tripod mounted machine gun. The use of this logo probably stems from a patent awarded to the the chairman of the parent company back in England, Charles Thomas Brock Sangster, in 1916 for the design of a tripod used on Vickers machine guns.
Here is an actual Nippon Swift Company fender ornament.
A genuine Nippon Swift Bicycle Company guarantee medal.
Last year I received an email from HS-san whose grandfather's house is a literal time capsule. Up on the second floor were many wonderful old things that had been asleep for well over half a century, including a few bicycles.