Pottery Barn Porcelain Blue Maren 5 x 8 Rug Authentic. This is a Ne w Authentic Pottery Barn Porcelain Blue Maren 5 x 8' Rug. This rug has a 1 puncture that goes through the rug.Hand crafted of pure wool. Please view our other auctions for more great Pottery Barn deals! _gsrx_vers_841 GS 7.0.16 (841). The item "Pottery Barn Porcelain Blue Maren 5 x 8 Rug Authentic" is in sale since Thursday, February 21, 2019. This item is in the category "Home & Garden\Rugs & Carpets\Area Rugs". The seller is "booadams" and is located in Maineville, Ohio. This item can be shipped to United States.