PNC Bank N.A. Bank Account Or Service Complaint

PNC Bank N.A. Bank account or service department,

(CD) Certificate of deposit Account opening, closing, or management Ohio

Certificate of Deposit purchased from - National City Bank- -, six month certificate, amount $10000.00. Recently discovered among other bonds and certificates. I have the original, signed by the bank, and have never redeemed it. PNC purchased National City, to include all holdings, in -. They are refusing to redeem my certificate of deposit because their " records only go back 7 years ''. I informed them I could produce tax records with statements, no - 's or records of them paying at time of acquisition. They stated, " does n't make any difference, going by our 7 year rule, I will not receive my money/redemption ''. HELP.