The city treasurer of the municipality issuing such bonds, or such other officer as may be designated by ordinance, if there be no city treasurer, under the direction of the council, board of aldermen or board of trustees shall cause notice to be published in such manner as may be provided by ordinance that sealed proposals for the purchase of all or a part of said bonds will be received at his office and that the same will be opened by him in the presence of the council, board of aldermen or board of trustees on the day and hour mentioned in the notice. Any and all bids that the council, board of aldermen or board of trustees may not deem satisfactory as to price or otherwise shall be rejected, and in case of rejection the bonds may be again advertised for sale or they may be sold at not less than their face value at private sale.