Printed on labels:
A side: slow rock.
B side: fox trot

Matrix / Runout: SPC 01012 (Label side A)
Matrix / Runout: SPC 01014 (Label side B)
Matrix / Runout: SPC 01012/2 ÷ 18-3-59 (Runout side A)
Matrix / Runout: SPC 01014/2 ÷ 18-3-59 (Runout side B)
Rights Society: BIEM