In the 1900's, imported jewelry -like necklaces for example had a crazy high duty rate of 60% but if pearls were imported in their natural state, not set or strung, they were only taxed at 10%...

在 1900 年代， 进口珠宝类项链的税率高达 60%， 但如果珍珠是以自然状态进口的，没有镶嵌或串成， 则只征收 10% 的税. . . . . .