What are good sources for known signatures?
-> Affidavits -> Bank signature cards -> Bills of sale -> Checks, including endorsements -> Employment applications -> Leases, real property -> Passports -> Registered mail return receipts -> Tax estimates and returns -> Drivers licenses and applications In many states we can obtain the last several drivers license applications as known signatures for use in comparison to a questioned document. This is especially useful when the other party is not available or refuses to produce known signatures.