Runout info is stamped apart from Stu. which is hand-etched. Matrix / Runout: 12EMDJX 560 A-1-1- Stu. (Runout side A) Matrix / Runout: 12 EMDJX 560 B-1-1- (Runout side B) Matrix / Runout: 12 EMDJX 560 C-1-1- (Runout side C) Matrix / Runout: 12 EMDJX 560 D-1-1- (Runout side D)