There's a machine-stamped SRC logo in the runout groove dead-wax both sides and a T embossed around the center hole on side 'B' only. Barcode: 0 422-866533-1 0 Matrix / Runout: SRC (Speciality Records Corporation logo) 422-866-533-1- A5/5P E AA (etched) (Side A) Matrix / Runout: SRC (Speciality Records Corporation logo) 422-866-533-1- B5/5P E 1 AA (etched) (Side B)