Well the bad news is the company is one of many fly by night grading companies and they mostly grade a lot of fakes or just overgrade real cards.
If your lucky the cards are real and can cover what you paid for them since they didnt cost a lot, granted on grading post cereal cards the complete outside lines must be visable or it will only grade an Auth.
Post some scans of them and maybe the board can help, here's two 62 Post Clementes to compare with-