(a) The constable, after taking goods and chattels into his custody, by virtue of an execution, shall without delay give public notice by at least three (3) advertisements posted in three (3) public places in the township, of the time when and place where they will be exposed to sale. The notice shall describe the goods and chattels taken and shall be posted at least ten (10) days before the day of sale.
(b) At the time and place so appointed, if the goods and chattels are present for the inspection of bidders, the officer shall expose the goods and chattels for sale at public vendue, for cash in hand.
(c) No constable or other officer shall directly or indirectly purchase any goods or chattels at any sale made by him upon execution. Every such sale shall be absolutely void.