That Ebay price is quite reasonable.
I just stripped one last week.
I always tell someone who's just bought an old british bike,
don't throw anything away!
Amazon Canada
https://www.amazon.ca/3-speed-Sturme...s%2C86&sr=8-26
or this
https://www.amazon.ca/Sturmey-Archer...s%2C86&sr=8-53