No permittee engaging in, managing conducting or carrying on the business of a junk dealer, junk collector, secondhand dealer, secondhand dealer-jewelry, or pawnbroker, or the permittee’s employee or agent shall receive, buy, trade, exchange, or otherwise acquire an interest in any goods or thing, from any person under the age of 18 years. Any statement made to such permittee, employee or agent by a person under the age of 18 years to the effect that the person is over the age of 18 years shall not excuse such permittee or employee from any violation of this provision.