Are Campagnolo wheels particularly rare?

Seems the wheels I see most often in the 14" variety are Cromodora or Speedline and both of these have a different design from the Campagnolo wheels. I prefer the Campy wheel as it has a pentagon shape around the wheel bolts/hub that i prefer as it is in keeping with the angularity of the spokes. The Campy also seeks to have a shaping that makes the dish effect seem deeper and more smooth. They are also very light. Does anyone know the weight differences from Campagnolo, Cromodora and Speedline in the 14 x 7.5" size variety? My wheels are cast with a date of 77. Wondering why most 308s I see do not have the Campy wheels and if they are particularly rare, relatively speaking.
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I would imagine those are rare, but they are shaped like the Speedlines and Cromodora. I was looking to learn about the rarity of the Campagnolo wheels which feature a pentagon hub shaping with this thread.

 

There were 14" speedlines sold on Bring A Trailer a short while back. Thanks for the weight. Will weigh a Campy and post it. I much prefer the look of the Campys over the Cromodora wheels. When you see them side by side the difference is pretty notable. it's one of those differences that is subtle but when mounted on the car makes a difference, IMO. E.g., the GTO wheel, the best of the 308 wheels IMO, works with the angular shape conceptually more like the Campy than the Cromodora or speedline wheel.

 

The more I look at the original Campagnolo wheels and the later Speedline and Cromodora....the more they really bother me design wise. The original wheel is so much cleaner a design with its more angular pentagon center which echoes the angularity of the spokes and makes the wheel more consistent in its design.

With the Campy you can literally draw a straight line across the spoke edges through the center pentagon out straight to the other spoke. I is such a pure and clean design. I wonder why the later designs fail to capture this and thus look less cohesive in appearance. Just like with the Dino, I prefer the Campagnolo wheels!

Now if you look at the 288GTO wheel what do you find? A pentagon around the center! I think that sums it up best: The best looking wheel ever fit to a 308 bodied car has the pentagon center just like the original Campignolo.

One day it would be interesting to learn why Ferrari went to these other suppliers after Campy and why they failed to recreate the wheel. Did Campagnolo have the design patent? That would be the most logical reason for the change.

The first wheel is the Campy the second is a speedline and the speedline and Cromodora feature the same odd centers. The third pic is the 288GTO Wheel
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