Grueby Tiffany Studio 1900s Arts and Crafts Pottery Organic Matte Green Lamp. Early and rare Grueby lamp covered in an organic matte green glaze with a stunning and ornate highly decorative Tiffany Studio oil font. Has a totally, non-showing chip to the base ring. No other chips, cracks, damage or repair of any kind. Bottom marked with Grueby logo. Pottery portion is 4 1/2″ tall and 9 1/4″ wide. Total height is 9 1/4 tall. Complete satisfaction is always guaranteed. We deal only in art pottery and specialize in large estate collections.