No Image Lot 923 Martin McWilliam (1957-) A thickly potted Chawan teabowl, encrusted with fly ash and rich glazed... 923Martin McWilliam (1957-) A thickly potted Chawan teabowl, encrusted with fly ash and rich glazed... Roseberys London Martin McWilliam (1957-) A thickly potted Chawan teabowl, encrusted with fly ash and rich glazed surfaces punctuated with stone-bursts and feld... Add to watchlist Live