[Rear of sleeve] Copyright 1954, Radio Corporation Of America Printed in U.S.A. Matrix / Runout: E3VL-4961 (Label side A ) Matrix / Runout: E3VL-4962 (Label side B) Pressing Plant ID: I (Stamped in runouts) Matrix / Runout: E3VL-4961-1S I A1 (Runout, side A, etched) Matrix / Runout: E3VL-4962-1S I A1 (Runout, side B, etched)