Medium Format

Exc++

Exc++
light signs of use

Exc

Exc+
signs of average use

Exc++

Mint-
very light signs of use

Mint-

Exc++
a few signs of use as shown 

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

Exc++
very light sight of use

Exc+

User
signs of regular use

Exc++

Exc+ (fits all Rolleiflex TLR cameras)
average signs of use

Exc++
Very clean glass