鹿角(ろっかく)rokkaku
Deer horn
Deer antlers are extensions of the buck’s scull that grow out each year and are then shed, thus they are not technically horns. The antler could be carved into small items or cut into slivers and imbedded in wood as a part of marquetry designs.
70th Annual Exhibition of Shōsō-in Treasures, 2018