LULUS black maxi dress with open back

LULUS black maxi dress with open back linen-like material, double lined only at the bodice and part of the skirt, but is not see through below that size M, elastic around waist, so could fit a L in excellent secondhand condition, worn maybe once measurements (when laid flat): pit to pit: 16.5” skirt length ( from elastic waist down): 43” reach out if any other measurements are needed offers encouraged :)