Royal Copenhagen Partial Tea Service, Blue Fluted PlainDanish, 20th century. A twenty-five piece china tea service by Royal Copenhagen in the Blue Fluted plain pattern, including nine larger teacup and saucer sets, twelve smaller teacup and saucer sets, and two loose smaller saucers, all marked on underside with factory stamp, and hand-painted signatures and numbers; larger teacup ht. 1.75, saucer dia. 5.75 in. Â