The term letter of marque is identified in base64 scheme by the sequence bGV0dGVyIG9mIG1hcnF1ZQ==, while the MD5 signature is equal to 033b8b58d34c34441ac9d0ef4ec7d979. The ASCII encoding of letter of marque in hexadecimal notation is 6c6574746572206f66206d6172717565.