The term letters testamentary is identified in base64 scheme by the sequence bGV0dGVycyB0ZXN0YW1lbnRhcnk=, while the MD5 signature is equal to 5e30c5f141daf241e5119c9951c83daa. The ASCII encoding of letters testamentary in hexadecimal notation is 6c6574746572732074657374616d656e74617279.