A doll that is in pristine, original condition is considered to be mint. If the doll is wearing new clothes, missing accessories or has been restored in anyway, it can no longer be termed mint.
the condition of a model or box. This is quite an exacting standard and strictly refers to models with no chips or scratches and no faded parts. Boxes must be uncreased, unfaded with no tares to be described as mint. A less exacting standard is 'factory fresh'
An evaluation of the condition of the watch. This means that the watch is as originaly purchased. Can also refer to one part such as a "mint" dial.