If the county treasurer cannot procure the publication of the notice for the sum specified in section 446.10 , the notice may be given by posting it in the treasurer’s office for two weeks. [C51, §498; R60, §764; C73, §873, 3833; C97, §1419; S13, §1419; C24, 27, 31, 35, 39, § 7248; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §446.11 ] 91 Acts, ch 191, §63