Matrix / Runout: AA 6423 127 1Y 1 ℗ 1979 670 11 2 06 (Runout side A stamped) Matrix / Runout: AA 6423 127 2Y 1 ℗1979 670 1 1 06 (Runout side B stamped) Matrix / Runout: 6423 127.1 Y (Label side A) Matrix / Runout: 6423 127.2 Y (Label side B) Rights Society: STEMRA