The Roof-end Tile with Human Face Motif (Korean: 경주 얼굴무늬 수막새), nicknamed the Silla smile (신라의 미소), is a Silla-era (57 BCE – 935 CE) ornamental roof tile that went on the end of a roof.

[1] The smiling face depicted in the tile is considered iconic, and has become a symbol of Gyeongju.

In February 1972, Park Il-hun (박일훈; 1913–1975), a former student of Ōsaka and then the director of the Gyeongju National Museum, was invited to visit Japan.

[4] Tanaka had already previously returned many objects he had collected from Korea, but had been reluctant to part with this tile; he reportedly had been hanging the piece in his living room.

[2] After Park returned to Korea, he heard on March 4 that Tanaka had agreed to donate the tile.