I'll say it again, that is a beautiful bicycle.

I am going through somewhat similar issues with a recent acquisition, a very nice 1978 Colnago Super.

Too small for me, but it will be a great ride for my youngest son this summer.

I've decided to enjoy the rebuild process, have some fun riding with my son this summer, and then perhaps sell the bicycle next spring.

Your Masi though is in another class all together, and you will be challenged to find another.

I'd hold on tight, and try to keep the drool off the frame. You want to avoid rust, don't you?