Appraise is a Non-Combat Activity. Its is an attempt to assess the material/physical value, condition, and quality of a target. Every skill, trait, and body of knowledge grants this capability in relation to it; i.e. A character with a proficient skill in using swords can Appraise a sword found in a tomb. Named and famous items can be identified but its full history remains vague other than identifying marks and pervasive knowledge. This is the primary activity related to the full skill of Appraising.
A character with Proficiency may Appraise objects, tools, and processes related to this.