Identification note: faded label inside one of bowls '273'(?)

Summary: tea service; Japanese Satsuma, Meiji period; teapot, bowl and five tea bowls; cream glazed earthenware; painted with butterflies and chrysanthemums beside a stream in orange/ purple/ green/ gold; teapot has narrow spout and tubular handle on side, separate lid; bowl has irregular rim; gold rim on tea bowls; teapot/bowl signed '(two stars) Kinhozan' and seal with other mark