Black button down tank top w/ opening in the back

Black button down tank top with pointed flat collar and golden skull button on the top. Big opening in the back, i used to wear it in a knot. Brand is Rie (Argentinian brand). Size 40. Excellent condition. No holes, no rips, no stains. Has a viscose like cloth in the back and on front is cotton. No smoking, pet free home. Armpit to armpit 16.5" Length front 18" Length back 25"