Are these 273 commando valve covers on Ebay (not mine)?

I don't agree that saving every set is the better plan. How would anyone ever get than missing piece if there are no donors. To be honest, you are the vendor that I thought would see a value in separate single fins.

Sadly you are correct. The set I have are missing a Fin. I can probably get more for the 3 Fins than both together lol.... Plenty of them out there I am sure...

JW