I received a bill from XXXX XXXX XXXX which I have paid. I have received subsequent contacts from Harris & Harris debt collection by mail, and phone attempting to still collect a debt which has been paid. I have copies of cashed checks as proof of payment. Actually I accidently overpaid the debt by {$100.00} for a so XXXX XXXX XXXX owes me {$100.00}. Harris & Harris began calling me at home and work. I have documented the following dates and times Harris & Harris called me on my cell : XXXX Est from XXXX, XXXX EST from XXXX, XXXX EST from XXXX, XXXX EST from XXXX. 
