Only the A-side has the Damont pressing credit etched on the runout. Only the B-side has the Musitech metalwork and Sound Clinic lacquer credit etched on the runout.
A similar version without the Lyntone runout etchings is here: Sometimes Matrix / Runout: MUTE 51 A-1 A DAMONT L 18040 ② (Runout, A-side, etched) Matrix / Runout: MUTE 51-B-1 A MT L 18041 SOUND CLINIC ② (Runout, B-side, etched)