A Castelli tondino saucer painted in the Grue workshop in shades of green, yellow and blue with a scene from the Biblical legend of 'Cane and Abel', Abel kneeling before a burning sacrifice, his arms folded across his chest, Cane behind an altar looking in fear at an approaching cloud, in the background a tent and trees, within a border of scrolling foliage reserved with a satyr masks within a cell-pattern band (hairline cracks at 1 and 2 o'clock), mid 18th Century -- 7 1/8in. diam.