OK, several questions...
For Pedro...
I hope this is what you want to see the the marine green desk pen - I'm showing two here -

A good example of a marine green 5-30

A excellent example of a marine green lifetime

The 5-30 next to the lifetime
Perry-
They stay out all of the time. I don't rotate them and actually use a Conklin deskpen and a Parker Lapis deskpen on my desk - I need to pick one of the Sheaffers to use as well but, I don't get around to it. I need shelves bad! I did not take pictures of the Bureau and the trunk and the lower shelf on the wall and the other odd places...Here are some shots of the bases unposed -

This is the top of the safe

Left side of the lateral cabinet

On the first level this is a shot accross the lateral cabinet

Here there are sets stacked 5 high on the Sheaffer 1950's 6' display cabinet

This is the top of the 1919 Sheaffer display cabinet
Roger W.