Second Edit: For a Radical, Long Dead/For Dawn Fraser, a Radical

[Donald Q.]

For a Radical, Long Dead

I
My dear dead poet,
you would be more important
if you were
an ancient red vase.    I really like this idea...  but I think it can be more compact

Then people would ponder your cracks,
debate the significance of your colour,
and label you an artifact.    I am not sure you need these three lines. The succinct comparison of the previous stanza says enough, for me at least, for this part to be inferred. 

II
You chose the losing side.
So now, on dusty shelves,
in boxes at garage sales,
next to cookbooks at thrift stores,
your verse sleeps. Some nice imagery, but I think you can pare it down further. I'd perhaps even be tempted just to conflate the poet and the work, as in 'So now you sleep in boxes'  ect

A second death,
the worse way time can punish a person.  These two lines again seem to overstate something you have conveyed better already, I would probably scrap them.

III
Oh capital,
he would think you the new devil,
pricing souls and convincing others
of your necessity.

Oh capital,
the victor of a war,
long lost.

Oh capital,
invisible monster
that chased me from my home.   This  whole third section lost me a bit. I guess you are comparing the value of an item which cannot be reproduced easily, such as a vase, to that of writing, which is simple to reproduce and therefore has less value in a capitalist system. Nevertheless it feels a little loose from the first two parts of the poem, and lacking in the concrete imagery which charmed me earlier. 

Hi Richard, this is a really neat idea which you have done some interesting things with, but I'm unsure about the current shape of the poem. As I've said above, I think your more succinct ideas hit the spot, but the more effusive parts don't hold their weight as much. You have a good central idea and imagery to build around, so looking forward to reading any revision, thanks for the poem.