Gucci button down dress shirt, 16.5 inch neck (42)

slim fit authentic gucci dress shirt 100% cotton made in Italy 16.5 inch neck size 42 off white with olive green checked pattern. discoloration on collar and under arms. only been dry cleaned, have not tried treat the discolored areas. 21.5 inches pit2pit 25.5 inches long from shoulder to side hem. 17.25 across the upper back seam. 19.5 inches across the waist. from pit to end of sleeve 20.5 inches *all measurements are approximate