RAKU (ENJOYMENT) " /> An Earthenware Tea Bowl (<I>Chawan</I>) Named "Sennen'yu" (Friend of a thousand years) , BLACK RAKU WARE, EDO PERIOD (18TH-19TH CENTURY) BY 9TH-GENERATION RAKU MASTER RYONYU (1756-1834), IMPRESSED MARK <I>RAKU</I> (ENJOYMENT) | Christie's