expert's fee; appraisal fee
Fee paid to a specialist for appraisal, authentication, or expert opinion, such as for art, antiques, or real estate.
絵画の鑑定料は思ったより高かった。
The appraisal fee for the painting was higher than I expected.
Compound of 鑑定 (appraisal, expert judgment) and 料 (fee, charge).