Sigma 16mm f/1.4 Lens (with Filters and Skin)

Selling Sigma 16mm f/1.4 lens. Always used with filters. Price of Sigma 16mm f/1.4 lens – €319 (includes skin and filter) – non-negotiable. Sony a6700 and 18–105mm lens excluded from this listing. Selling because I upgraded my system to full-frame.