South Africa 1913 KGV 1d Heavily Over-Inked in Pair

1913-24 KGV 1d rose-red variety HEAVILY OVER-INKED stamp UHB V19 (SG 4/CC 3). Attractive VF/UM vertical pair, variety apparent on the top stamp with intense over-inking from the King's forehead and into the corner framework of both top corners.