A THREE-CASE TSUIKOKU INRO, LATE 18TH/EARLY 19TH CENTURY, SIGNED NAKAYAMA MUNEMASA, THE BLACK LACQUER INRO DECORATED WITH TWO RECTANGULAR PATTERNS DEPICTING CHORYO AND KOSEKIKO SET ON BROCADE GROUND, WITH SOFT METAL OJIME AND IVORY NETSUKE OF A KARAKO AND A BAG OF TREASURE--3.7 IN. X 1.8 IN.