Talbots Navy Ponte Peplum Blazer sz 16

Talbots ponte peplum blazer sz 16 retail $179 Navy with navy lining 2 button jacket with 3 buttons on sleeves extra buttons still attached nwot, I lost weight but never worn it once fabric made in Italy beautiful peplum that lies flat on body shoulders 17", bust 20", length 24" I wore it as a size 14 but the shoulders were slightly large on me I am new to poshmark and don't know how to put a make an offer option on it, but make me an offer and I will lower the price! thanks for looking!