Offwhite Mozarabic Chant long JSK, in size M, bought directly from Krad Lanrete.

Comes with the waist tie/ribbon, as shown. 

Worn only a handful of times, no stains/marks/damage. Very good condition. 

Can take more photos on request.

Measurements (as given on Lolibrary): 

Bust: 91

Waist: 107

Length: 71