This one sold for $98k about this time last year.
https://bringatrailer.com/listing/1990-ferrari-testarossa-56/
This non-runner sold for $77k in Oct of last year.
https://bringatrailer.com/listing/1990-ferrari-testarossa-64/
Since she works at Ferrari shop, a car like this is something she could tackle. I think if you were paying someone to do the work, it's a very different story.