Tommy Bahama Tee Shirt

Tommy Bahama Hawaiian Tee Shirt. No Indications as to Size! I have come across shirts/T shirts the same size indicating both Large or Extra Large. All Buttons are Intact. No holes, rips or tears. Front Left Breast Pocket. It's a Cool Blue color. Comes with 2 Spare Buttons. The last photo shows a very faint smudge mark approximately ½" X ⅛" or so in size. Any questions, or measurements,inquire within.