I hope you get the whole set Nick. I believe that there is someone who had repro vertical convergence transformers for the CT-100 made and is selling them on the ETF classifieds.
You NEED a CT-100 it is all that is keeping you from having every color RCA chassis from prototype to CTC 4.
Maybe after that you can get the ones between CTC 4 and 9 and start your own RCA color museum.
Tom C.