prestige goods
Anthropological/archaeological term for items that confer social status, such as luxury goods or ceremonial objects.
威信財は、古代社会における権力の象徴だった。
Prestige goods were symbols of power in ancient societies.
Compound of 威信 (いしん, 'prestige, dignity') and 財 (ざい, 'goods, wealth'). The exact origin as a technical term is uncertain, but it is used in anthropology and archaeology.