Mamiya

Exc+
shows signs of average use

Well used
signs of heavy use

User
signs of regular use

Mint-
signs of very light use

Exc+++
light signs of use 

Mint-
signs of very light use

Mint-
very light signs of use

Exc++
very light sight of use

Mint-
minimal signs of use

Exc
average signs of use

Mint-
very light signs of use

Mint-
signs of very light use 

Exc+
light signs of use

Mamiya 210mm f8L
Mint-
minimal signs of use with only one light mark to focus ring
very clean optical condition, very light internal dust
very smooth focusing action
aperture ring has positive clicks