Debt validation sufficent??

Did the original collection notice from Professional Rec mentioned the name of the original creditor (First National Bank)?
Actually the FDCPA does not clearly mentions as what should be a proper debt validation. The CA may send you a print out of the statement showing details of your outstanding debts or a copy of your original signed loan agreement or a letter from OC, as a reply to your debt validation request.

I would say that it is sufficient (the debt is new and you know it is yours), unless the difference between the amount on the statement and the amount they are attempting to collect are at wide variance. If the latter is the case, I would demand that they explain the difference. But between the time of your last payment and the time the original creditor charges off the account, they can legally add the normal compound interest, plus late fees, and over the limit charges (if your credit line does not have room to charge the late fee to).