Upon receiving such special assessment roll and warrant, the Treasurer shall proceed to collect the several amounts assessed therein. If any person legally obligated to pay said assessment shall neglect and refuse to pay his assessment, upon demand, the Treasurer may seize or levy upon any personal property belonging to such person, found within the City or elsewhere in the State of Michigan, and sell the same at public auction, first giving six days notice of the time and place of such sale by posting such notice in three places most public in the city or township where such property may be found, the proceeds of such sale or so much thereof as may be necessary for that purpose shall be applied to the payment of the assessment and the costs and expenses of such seizure and sale, and the surplus, shall be paid to the person entitled thereto.