Runouts are stamped except DT which is hand-etched. Other: #R 64-1122 (Library of Congress #) Matrix / Runout: RF-7A (Label side A) Matrix / Runout: RF-7B (Label side B) Matrix / Runout: RBF7A DT (Runout side A) Matrix / Runout: RBF 7 B DT (Runout side B)