Originally Posted by auchencrow

Hi Mike -

That's the original Brooks saddle.
After searching the internet for the more commonly specified Terry Oppy saddle, I learned that this type of mattress saddle was de rigueur for these bikes at that time.

I appreciate that visually, it takes some getting used to for our more "modern" C&V aesthetic sense, but after seeing a lot of pics of 1930's English bikes, it looks right to me now.