Bonds authorized and issued pursuant to the provisions of Sections 17-5-3 through 17-5-11 may be issued in one or more series, may bear such date or dates, shall mature serially, not later than three years from the date thereof, at such time or times, not exceeding forty years from their respective dates, may bear interest at such rate or rates not exceeding five per centum (5%) per annum, payable semi-annually, may be in such denomination, may be in such form, either coupon or registered, may be payable at such place or places, may carry such registration and conversion privileges, may be executed in such manner, may be payable in such medium of payment at such place or places, may be subject to such terms of redemption, with or without premium, and may be declared or become due before the maturity date thereof, as may be provided by the resolution authorizing their issuance. Such bonds and any interest coupons appertaining thereto shall be executed in accordance with the resolution providing for their authorization and issuance. Bonds issued under Sections 17-5-3 through 17-5-11 bearing the signatures of officers in office on the date of the signing thereof, as well as any interest coupons appertaining thereto, shall be valid and binding obligations, notwithstanding that before the delivery thereof any or all of the persons whose signatures or facsimile signatures appearing thereon shall have ceased to be officers of the county issuing the same. Bonds issued pursuant to the provisions of Sections 17-5-3 through 17-5-11 shall be negotiable for all purposes and shall possess all the qualities of a negotiable instrument. Bonds authorized and issued under the provisions of Sections 17-5-3 through 17-5-11 shall be sold and delivered only to the lowest bidder at public sale after notice thereof has been published in accordance with a motion, order, or resolution of the county proposing their issuance and sale, which notice shall be published at least one time, not less than ten days prior to the date fixed for the holding of such public sale, in a daily newspaper published and circulating in the State of Mississippi. Any such bonds may be sold to the United States of America at private sale in furtherance of any loan or grant contract which may be entered into by and between the county proposing to issue such bonds and the United States. The said bonds shall not be sold for less than their par value plus accrued interest.