Antique Collectible Ziegler Mahal Persian Rug Circa 1900 In the late 1800Â’s, in Sultanabad, a small town in NW Persia, a Swiss Firm, the Ziegler Company, based in Manchester, England set up shop. The Ziegler rugs were created by the company which began exporting carpets from Persian and importing the rugs to England and America where the demand was high. Their antique rugs are distinguished by their sparsely drawn, large scale, over-sized designs and use of soft colors. They are Beautiful rugs that are popular with decorators.