A VINTAGE PERSIAN SILK SUMAC PRAYER RUG, PROBABLY NORTHERN IRAN, 20TH CENTURY, centering three lozenge shaped medallions of "S" devices enclosed by a white ground field filled with stylized birds and animals, flanked by rows of hook trimmed pyramidal panels of similar "S" details within a broad border of stylized floral vine, woven in colors of red, pink, pistachio, dark blue, and white. 4' 8 1/4" x 3' 4 1/2" Provenance: Property from a Fortune 500 Energy Company, Houston, Texas.