Showplace Antiques and Treasures f You Make A Difference. Thank You! We invite you to stop by and enjoy a multi-level shopping experience 307 First Ave., Sterling Monday-Sunday 10am-4pm Showplace Antiques and Treasures f You Make A Difference . Thank You ! We invite you to stop by and enjoy a multi - level shopping experience 307 First Ave. , Sterling Monday - Sunday 10 am-4pm