contraband; prohibited goods
Refers to items whose import or export is banned by law. Often used in customs, trade, and legal contexts.
Contraband was found at customs.
In this country, ivory is designated as contraband.
禁制品 is a broader term for prohibited articles, not limited to trade; 禁輸品 specifically concerns import/export bans.
Compound of 禁 (prohibition), 輸 (transport), and 品 (goods). The reading きんゆひん follows standard on'yomi.