Ask each buyer to show you an accepted lot and a rejected one, and photograph both. That photograph becomes your grading standard.
Market Validation
Field notesMarket Validation
Field notesAsk each buyer to show you an accepted lot and a rejected one, and photograph both. That photograph becomes your grading standard.
English learning edition · Independent technical review pending. Keyboard: focus the reading page and use ← / →. Page turning does not mark practical competence.