According to Monness, Crespi, Hardt & Co., Liz Claiborne (NYSE:LIZ) could receive a $20 price tag in a takeover situation.Despite having been unprofitable last year, the clothing retailer looks attractive on valuation the firm said, citing high-priced brands like Katy Spade, Juicy Couture and Lucky Brand that are viewed as due for a turnaround.