9804.00.30.00—Not exceeding $100 in value of articles (not including alcoholic beverages and cigarettes but including not more than 100 cigars) accompanying such person to be disposed of by him as bona fide gifts, if such person has not claimed an exemption under this subheading 9804.00.30 within the 6 months immediately preceding his arrival and he intends to remain in the United States for not less than 72 hours