1st century BC-1st century AD. A pale green glass bowl with series of twenty tapering, raised ribs formed at regular intervals around the outer face; attractive iridescence over the interior and exterior surfaces; areas of translucence. See Harden, D., Masterpieces of Glass: The British Museum, London, 1968, item 52, for type.472 grams, 22cm (8 3/4"). Acquired by the current in 1998; formerly with Alexander Global Art Ltd.