Swap Controltech quill for Controltech Ahead

[GT-Steve]

I have a black 1-1/8" quill (135 reach) Controltech stem, which is NOS boxed, and I want to swap it for a NOS boxed Control tech ahead in black, 1-1/8" with 135 reach and minimal rise please.

pics available to anyone who has the right thing to offer/swap.