Dead Duck Dolan is said to be Dolan's father. This is contradicted by Section #412 in which Patrick Dolan is his father.
Spirit uses a gliding suit to fly through the air.
Compare with Section #498, reprinted in The Spirit (Kitchen Sink Press, 1977 series) #51.
Entire story is told in rhyme.
Satin is now a British agent.
One of the most famous Spirit stories, mentioned in Jules Feiffer's book The Great Comic Book Heroes.