We've got a used Rhode & Schwarz FSH3 spectrum analyser for sale. It has the tracking generator option fitted. We have tested it in our lab and it is in specification. It's in excellent physical condition too. The carry bag has some wear.
The used equipment brokers in the USA are asking over $6K USD for this model in this condition. The price is AUD $3,850 including GST if in Australia, $3,500 AUD if outside Australia.