| Location | Sakai, Osaka |
|---|---|
| Shape | Scallop-shaped mound |
| Mound length | 72 m |
| Period | 5th c. |
| World Heritage | Mozu-Furuichi Kofun Group (UNESCO) |
A scallop-shaped mound (72m long), presumed satellite of Kamiishizu Misanzai Kofun. 5th century. Not designated by the IHA; managed by Sakai City. A well-preserved mid-sized scallop mound in the southern Mozu group. The name "Zeniduka" hints at folk tradition of finding ancient coins here.Constituent monument of the "Mozu-Furuichi Kofun Group" UNESCO WHS (2019). "Zeniduka" (Coin Mound) is a naming pattern found at ancient burial sites across Japan, reflecting folk recognition of these places as sources of metal objects (mirrors, swords, ornaments). In the World Heritage nomination, individual accessory mounds like Zeniduka contribute to the Outstanding Universal Value of the 5th-century burial complex as a whole, serving as systematic evidence of continental cultural exchange and burial customs.
No excavation permitted under IHA mausoleum regulations. Internal structure and grave goods remain unknown. Exterior viewable from public paths.