Section 67. A licensee under section fifty-nine, or a clerk, agent or other person in charge of the licensed premises, who refuses to admit thereto an officer authorized to enter the same, or who fails to exhibit to him on demand all such motor vehicles, parts thereof, and books, papers and inventories relating thereto, and any person who wilfully hinders, obstructs or prevents such officer from entering the premises or from making the examination authorized in the preceding section, shall be punished by a fine of not more than two hundred dollars or by imprisonment for not more than one year, or both.