frutiger aero vs frutgier metro

I got a question for ya'll! which is more nostalgic? Frutiger Aero or Frutiger Metro? Both are somewhat similar and really nostalgic

Click here 4 link to F.M ---> https://aesthetics.fandom.com/wiki/Frutiger_Metro 

Click here 4 F.A --->   https://aesthetics.fandom.com/wiki/Frutiger_Aero 

Thanks! 

- Beni