Fish motif Burnside Shirt short sleeve Button Up

Fish motif Shirt short sleeve, Button Up, button down collar 100% cotton Marked Sz L - This is more a Medium or Small I think, It looks small to me, so check measurements for fit Approximate measurements - Laying flat: 21 inches armpit to armpit; 28 inches center back to bottom edge CONDITION: Pre-Owned good condition, no obvious imperfections