In Japan, the remaining rate of coins issued during Northern Sung Dynasty and that of older ones issued during Tang Dynasty are extremely high, and in China, it is said that Kanei coins remain conspicuously in dead storage.
日本では北宋銭やさらに古い唐銭の残存率が非常に高いほか、中国では寛永銭の埋蔵が目立つという。