Appraisal
If you are looking for a Bank loan, most banks are requiring an appraisal from someone who is CERTIFIED by the National Aircraft Appraisal Association. They have templates for RV's and do a thorough search of the logs and other documentation.
These guys charge generally by aircraft size and complexity plus travel expenses. Prices run about $4-500 plus expenses for an RV. (Note: This can vary, so get a price beforehand).
For anyone needing a CERTIFIED appraiser, I have a very good friend who helped me build my RV, is an A&P with Inspection Authorization who has inspected many RV's, knows RV's inside and out, and is a senior certified appraiser.
PM me for more info.