jīn​shū​tiě​quàn

iron certificate

Senses

金书铁券/ 金書鐵券 jīn​shū​tiě​quàn iron certificate

decree granted by an emperor to a meritorious official, often exempting the recipient and their descendants from criminal prosecution; literally gold-inscribed iron certificate

References

variant 丹书铁券/丹書鐵券 金书铁券/金書鐵券