T is for Two - Diver Sets

I picked these two up from a friend of Isaac's, over the phone, I won't bore you with the details, but as soon as I saw them I knew I needed them, if the price was right, which it was, as they are one of those things which brings several threads of the whole Rack Toy oeuvre together, while half-ID'ing some bits. We've seen this card before, and most of the contents, one suspects they all