He does not seem to answer his email reliably, but he does answer his phone. I have purchased several items from him that were in the unobtainium classification such as original never opened boxes of ARC and SCR racks and controls.
Also,
https://www.nostalgiaair.org/ you might find a rare item here, but it is also a good place to post a want to buy ad. Also, don't forget trying just posting on a site like QTH.com in the classified section, or ER Magazines classified.
Charlie, W4MEC in NC