An antique silk Istanbul prayer rug, the plain silver-grey field with two floral columns supporting the cusped pistachio-green and yellow mihrab with tracery vine and pendant mosque lamp, an ivory panel of floral sprays above surrounded by light-blue border of palmettes, flowerheads and serrated leaves between rust-red and ivory meandering floral vine stripes --6ft.3in. x 4ft.(191cm. x 122cm.)